diff --git a/src/Message/Message.php b/src/Message/Message.php
index 4fbb566..b757817 100644
--- a/src/Message/Message.php
+++ b/src/Message/Message.php
@@ -10,9 +10,9 @@ abstract class Message implements MessageInterface
     /** @var HeaderCollection */
     protected $headers;
     /** @var StreamableInterface */
-    private $body;
+    protected $body;
     /** @var string */
-    private $protcolVersion = "1.1";
+    protected $protcolVersion = "1.1";
 
     public function __construct()
     {
diff --git a/src/Message/ServerRequest.php b/src/Message/ServerRequest.php
index d0d801a..a88c516 100644
--- a/src/Message/ServerRequest.php
+++ b/src/Message/ServerRequest.php
@@ -3,16 +3,11 @@
 namespace WellRESTed\Message;
 
 use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Message\StreamableInterface;
+use WellRESTed\Stream\StreamStream;
 
 class ServerRequest extends Request implements ServerRequestInterface
 {
-    /**
-     * Singleton instance derived from reading the request sent to the server.
-     *
-     * @var self
-     * @static
-     */
-    static private $serverRequest;
     /** @var array */
     private $attributes;
     /** @var array */
@@ -294,6 +289,28 @@ class ServerRequest extends Request implements ServerRequestInterface
         parent::__clone();
     }
 
+    protected function readFromServerRequest(array $attributes = null)
+    {
+        $this->attributes = $attributes ?: [];
+        $this->serverParams = $_SERVER;
+        $this->cookieParams = $_COOKIE;
+        $this->fileParams = $_FILES;
+        $this->queryParams = [];
+        if (isset($_SERVER["QUERY_STRING"])) {
+            parse_str($_SERVER["QUERY_STRING"], $this->queryParams);
+        }
+        $headers = $this->getServerRequestHeaders();
+        foreach ($headers as $key => $value) {
+            $this->headers[$key] = $value;
+        }
+        $this->body = $this->getStreamForBody();
+
+        $contentType = $this->getHeader("Content-type");
+        if ($contentType === "application/x-www-form-urlencoded" || $contentType === "multipart/form-data") {
+            $this->parsedBody = $_POST;
+        }
+    }
+
     /**
      * Return a reference to the singleton instance of the Request derived
      * from the server's information about the request sent to the server.
@@ -303,32 +320,29 @@ class ServerRequest extends Request implements ServerRequestInterface
      */
     public static function getServerRequest(array $attributes = null)
     {
-        $request = new self();
-        $request->attributes = $attributes ?: [];
-        $request->serverParams = $_SERVER;
-        $request->cookieParams = $_COOKIE;
-        $request->fileParams = $_FILES;
-        $request->queryParams = [];
-        if (isset($_SERVER["QUERY_STRING"])) {
-            parse_str($_SERVER["QUERY_STRING"], $request->queryParams);
-        }
-        $headers = self::getServerRequestHeaders();
-        foreach ($headers as $key => $value) {
-            $request->headers[$key] = $value;
-        }
-        $contentType = $request->getHeader("Content-type");
-        if ($contentType === "application/x-www-form-urlencoded" || $contentType === "multipart/form-data") {
-            $request->parsedBody = $_POST;
-        }
+        $request = new static();
+        $request->readFromServerRequest($attributes);
         return $request;
     }
 
+    /**
+     * Return a stream representing the request's body.
+     *
+     * Override this method to use a specific StreamableInterface implementation.
+     *
+     * @return StreamableInterface
+     */
+    protected function getStreamForBody()
+    {
+        return new StreamStream(fopen("php://input", "r"));
+    }
+
     /**
      * Read and return all request headers from the request issued to the server.
      *
      * @return array Associative array of headers
      */
-    private static function getServerRequestHeaders()
+    protected function getServerRequestHeaders()
     {
         // Prefer apache_request_headers is available.
         if (function_exists("apache_request_headers")) {
diff --git a/test/tests/unit/Message/ServerRequestTest.php b/test/tests/unit/Message/ServerRequestTest.php
index b1cecaf..723943b 100644
--- a/test/tests/unit/Message/ServerRequestTest.php
+++ b/test/tests/unit/Message/ServerRequestTest.php
@@ -4,12 +4,17 @@ namespace WellRESTed\Test\Unit\Message;
 
 use WellRESTed\Message\ServerRequest;
 
+/**
+ * @uses WellRESTed\Message\ServerRequest
+ * @uses WellRESTed\Message\Request
+ * @uses WellRESTed\Message\Message
+ * @uses WellRESTed\Message\HeaderCollection
+ * @uses WellRESTed\Stream\StreamStream
+ */
 class ServerRequestTest extends \PHPUnit_Framework_TestCase
 {
     /**
      * @covers WellRESTed\Message\ServerRequest::__construct
-     * @uses WellRESTed\Message\Message
-     * @uses WellRESTed\Message\HeaderCollection
      */
     public function testCreatesInstance()
     {
@@ -20,11 +25,8 @@ class ServerRequestTest extends \PHPUnit_Framework_TestCase
     /**
      * @covers WellRESTed\Message\ServerRequest::getServerRequest
      * @covers WellRESTed\Message\ServerRequest::getServerRequestHeaders
-     * @uses WellRESTed\Message\ServerRequest::__construct
-     * @uses WellRESTed\Message\ServerRequest::__clone
-     * @uses WellRESTed\Message\Request
-     * @uses WellRESTed\Message\Message
-     * @uses WellRESTed\Message\HeaderCollection
+     * @covers WellRESTed\Message\ServerRequest::readFromServerRequest
+     * @covers WellRESTed\Message\ServerRequest::getStreamForBody
      * @preserveGlobalState disabled
      */
     public function testGetServerRequestReadsFromRequest()
@@ -50,7 +52,8 @@ class ServerRequestTest extends \PHPUnit_Framework_TestCase
         $_POST = [
            "dog" => "Bear"
         ];
-        $request = ServerRequest::getServerRequest(["guinea_pig" => "Claude"]);
+        $attributes = ["guinea_pig" => "Claude"];
+        $request = ServerRequest::getServerRequest($attributes);
         $this->assertNotNull($request);
         return $request;
     }
@@ -97,9 +100,6 @@ class ServerRequestTest extends \PHPUnit_Framework_TestCase
 
     /**
      * @covers WellRESTed\Message\ServerRequest::getHeader
-     * @uses WellRESTed\Message\Request
-     * @uses WellRESTed\Message\Message
-     * @uses WellRESTed\Message\HeaderCollection
      * @depends testGetServerRequestReadsFromRequest
      */
     public function testServerRequestProvidesHeaders($request)
@@ -108,11 +108,16 @@ class ServerRequestTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals("application/json", $request->getHeader("Accept"));
     }
 
+    public function testServerRequestProvidesBody()
+    {
+        $body = $this->prophesize('Psr\Http\Message\StreamableInterface');
+        MockServerRequestTest::$bodyStream = $body->reveal();
+        $request = MockServerRequestTest::getServerRequest();
+        $this->assertSame($body->reveal(), $request->getBody());
+    }
+
     /**
      * @covers WellRESTed\Message\ServerRequest::getAttribute
-     * @uses WellRESTed\Message\Request
-     * @uses WellRESTed\Message\Message
-     * @uses WellRESTed\Message\HeaderCollection
      * @depends testGetServerRequestReadsFromRequest
      */
     public function testServerRequestProvidesAttributesIfPassed($request)
@@ -123,10 +128,6 @@ class ServerRequestTest extends \PHPUnit_Framework_TestCase
 
     /**
      * @covers WellRESTed\Message\ServerRequest::withCookieParams
-     * @uses WellRESTed\Message\ServerRequest::getCookieParams
-     * @uses WellRESTed\Message\ServerRequest::__clone
-     * @uses WellRESTed\Message\Request
-     * @uses WellRESTed\Message\Message
      * @depends testGetServerRequestReadsFromRequest
      */
     public function testWithCookieParamsCreatesNewInstance($request1)
@@ -141,10 +142,6 @@ class ServerRequestTest extends \PHPUnit_Framework_TestCase
 
     /**
      * @covers WellRESTed\Message\ServerRequest::withQueryParams
-     * @uses WellRESTed\Message\ServerRequest::getQueryParams
-     * @uses WellRESTed\Message\ServerRequest::__clone
-     * @uses WellRESTed\Message\Request
-     * @uses WellRESTed\Message\Message
      * @depends testGetServerRequestReadsFromRequest
      */
     public function testWithQueryParamsCreatesNewInstance($request1)
@@ -159,11 +156,6 @@ class ServerRequestTest extends \PHPUnit_Framework_TestCase
 
     /**
      * @covers WellRESTed\Message\ServerRequest::withParsedBody
-     * @uses WellRESTed\Message\ServerRequest::getParsedBody
-     * @uses WellRESTed\Message\ServerRequest::getQueryParams
-     * @uses WellRESTed\Message\ServerRequest::__clone
-     * @uses WellRESTed\Message\Request
-     * @uses WellRESTed\Message\Message
      * @depends testGetServerRequestReadsFromRequest
      */
     public function testWithParsedBodyCreatesNewInstance($request1)
@@ -183,12 +175,6 @@ class ServerRequestTest extends \PHPUnit_Framework_TestCase
     /**
      * @covers WellRESTed\Message\ServerRequest::getServerRequest
      * @covers WellRESTed\Message\ServerRequest::getParsedBody
-     * @uses WellRESTed\Message\ServerRequest::__construct
-     * @uses WellRESTed\Message\ServerRequest::__clone
-     * @uses WellRESTed\Message\ServerRequest::getServerRequestHeaders
-     * @uses WellRESTed\Message\Request
-     * @uses WellRESTed\Message\Message
-     * @uses WellRESTed\Message\HeaderCollection
      * @preserveGlobalState disabled
      * @dataProvider formContentTypeProvider
      */
@@ -217,12 +203,6 @@ class ServerRequestTest extends \PHPUnit_Framework_TestCase
 
     /**
      * @covers WellRESTed\Message\ServerRequest::__clone
-     * @uses WellRESTed\Message\ServerRequest::__construct
-     * @uses WellRESTed\Message\ServerRequest::withParsedBody
-     * @uses WellRESTed\Message\ServerRequest::getParsedBody
-     * @uses WellRESTed\Message\Request
-     * @uses WellRESTed\Message\Message
-     * @uses WellRESTed\Message\HeaderCollection
      */
     public function testCloneMakesDeepCopiesOfParsedBody()
     {
@@ -240,13 +220,6 @@ class ServerRequestTest extends \PHPUnit_Framework_TestCase
     /**
      * @covers WellRESTed\Message\ServerRequest::withAttribute
      * @covers WellRESTed\Message\ServerRequest::getAttribute
-     * @uses WellRESTed\Message\ServerRequest::__construct
-     * @uses WellRESTed\Message\ServerRequest::__clone
-     * @uses WellRESTed\Message\ServerRequest::withParsedBody
-     * @uses WellRESTed\Message\ServerRequest::getParsedBody
-     * @uses WellRESTed\Message\Request
-     * @uses WellRESTed\Message\Message
-     * @uses WellRESTed\Message\HeaderCollection
      */
     public function testWithAttributeCreatesNewInstance()
     {
@@ -257,14 +230,6 @@ class ServerRequestTest extends \PHPUnit_Framework_TestCase
 
     /**
      * @covers WellRESTed\Message\ServerRequest::withAttribute
-     * @uses WellRESTed\Message\ServerRequest::getAttribute
-     * @uses WellRESTed\Message\ServerRequest::__construct
-     * @uses WellRESTed\Message\ServerRequest::__clone
-     * @uses WellRESTed\Message\ServerRequest::withParsedBody
-     * @uses WellRESTed\Message\ServerRequest::getParsedBody
-     * @uses WellRESTed\Message\Request
-     * @uses WellRESTed\Message\Message
-     * @uses WellRESTed\Message\HeaderCollection
      */
     public function testWithAttributePreserversOtherAttributes()
     {
@@ -277,10 +242,6 @@ class ServerRequestTest extends \PHPUnit_Framework_TestCase
 
     /**
      * @covers WellRESTed\Message\ServerRequest::getAttribute
-     * @uses WellRESTed\Message\ServerRequest::__construct
-     * @uses WellRESTed\Message\Request
-     * @uses WellRESTed\Message\Message
-     * @uses WellRESTed\Message\HeaderCollection
      */
     public function testGetAttributeReturnsDefaultIfNotSet()
     {
@@ -290,15 +251,6 @@ class ServerRequestTest extends \PHPUnit_Framework_TestCase
 
     /**
      * @covers WellRESTed\Message\ServerRequest::withoutAttribute
-     * @uses WellRESTed\Message\ServerRequest::withAttribute
-     * @uses WellRESTed\Message\ServerRequest::getAttribute
-     * @uses WellRESTed\Message\ServerRequest::__construct
-     * @uses WellRESTed\Message\ServerRequest::__clone
-     * @uses WellRESTed\Message\ServerRequest::withParsedBody
-     * @uses WellRESTed\Message\ServerRequest::getParsedBody
-     * @uses WellRESTed\Message\Request
-     * @uses WellRESTed\Message\Message
-     * @uses WellRESTed\Message\HeaderCollection
      */
     public function testWithoutAttributeCreatesNewInstance()
     {
@@ -310,15 +262,6 @@ class ServerRequestTest extends \PHPUnit_Framework_TestCase
 
     /**
      * @covers WellRESTed\Message\ServerRequest::withoutAttribute
-     * @uses WellRESTed\Message\ServerRequest::withAttribute
-     * @uses WellRESTed\Message\ServerRequest::getAttribute
-     * @uses WellRESTed\Message\ServerRequest::__construct
-     * @uses WellRESTed\Message\ServerRequest::__clone
-     * @uses WellRESTed\Message\ServerRequest::withParsedBody
-     * @uses WellRESTed\Message\ServerRequest::getParsedBody
-     * @uses WellRESTed\Message\Request
-     * @uses WellRESTed\Message\Message
-     * @uses WellRESTed\Message\HeaderCollection
      */
     public function testWithoutAttributePreservesOtherAttributes()
     {
@@ -332,14 +275,6 @@ class ServerRequestTest extends \PHPUnit_Framework_TestCase
 
     /**
      * @covers WellRESTed\Message\ServerRequest::getAttributes
-     * @uses WellRESTed\Message\ServerRequest::withAttribute
-     * @uses WellRESTed\Message\ServerRequest::__construct
-     * @uses WellRESTed\Message\ServerRequest::__clone
-     * @uses WellRESTed\Message\ServerRequest::withParsedBody
-     * @uses WellRESTed\Message\ServerRequest::getParsedBody
-     * @uses WellRESTed\Message\Request
-     * @uses WellRESTed\Message\Message
-     * @uses WellRESTed\Message\HeaderCollection
      */
     public function testGetAttributesReturnsAllAttributes()
     {
@@ -351,3 +286,15 @@ class ServerRequestTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals("Bear", $attributes["dog"]);
     }
 }
+
+// ----------------------------------------------------------------------------
+
+class MockServerRequestTest extends ServerRequest
+{
+    public static $bodyStream;
+
+    protected function getStreamForBody()
+    {
+        return self::$bodyStream;
+    }
+}