diff --git a/RCTAppleHealthKit/RCTAppleHealthKit+Methods_Sleep.h b/RCTAppleHealthKit/RCTAppleHealthKit+Methods_Sleep.h
index c683625a5c0a725d006aaedff7ece6be774bc1c3..3afd6d9f1a6c37a71b252dead5d0473782ba1a04 100644
--- a/RCTAppleHealthKit/RCTAppleHealthKit+Methods_Sleep.h
+++ b/RCTAppleHealthKit/RCTAppleHealthKit+Methods_Sleep.h
@@ -1,3 +1,11 @@
+//
+//  RCTAppleHealthKit+Methods_Sleep.h
+//  RCTAppleHealthKit
+//
+//  Created by Greg Wilson on 2016-11-06.
+//  Copyright © 2016 Greg Wilson. All rights reserved.
+//
+
 #import "RCTAppleHealthKit.h"
 
 @interface RCTAppleHealthKit (Methods_Sleep)
diff --git a/RCTAppleHealthKit/RCTAppleHealthKit+Methods_Sleep.m b/RCTAppleHealthKit/RCTAppleHealthKit+Methods_Sleep.m
index 0431a67ee980238ca0ac091ed520facfd844adeb..02a7f5426bb75fc165b9d388fcb250666aab8d54 100644
--- a/RCTAppleHealthKit/RCTAppleHealthKit+Methods_Sleep.m
+++ b/RCTAppleHealthKit/RCTAppleHealthKit+Methods_Sleep.m
@@ -1,3 +1,10 @@
+//
+//  RCTAppleHealthKit+Methods_Sleep.m
+//  RCTAppleHealthKit
+//
+//  Created by Greg Wilson on 2016-11-06.
+//  Copyright © 2016 Greg Wilson. All rights reserved.
+//
 
 #import "RCTAppleHealthKit+Methods_Sleep.h"
 #import "RCTAppleHealthKit+Queries.h"
@@ -17,78 +24,22 @@
     }
 
     NSPredicate *predicate = [RCTAppleHealthKit predicateForSamplesBetweenDates:startDate endDate:endDate];
-    NSUInteger *limit = [RCTAppleHealthKit uintFromOptions:input key:@"limit" withDefault:HKObjectQueryNoLimit];
+    NSUInteger limit = [RCTAppleHealthKit uintFromOptions:input key:@"limit" withDefault:HKObjectQueryNoLimit];
 
 
     [self fetchSleepCategorySamplesForPredicate:predicate
-                               limit:limit
-                          completion:^(NSArray *results, NSError *error) {
-        if(results){
-            callback(@[[NSNull null], results]);
-            return;
-        } else {
-            NSLog(@"error getting sleep samples: %@", error);
-            callback(@[RCTMakeError(@"error getting sleep samples", nil, nil)]);
-            return;
-        }
-    }];
+                                          limit:limit
+                                     completion:^(NSArray *results, NSError *error) {
+                                         if(results){
+                                             callback(@[[NSNull null], results]);
+                                             return;
+                                         } else {
+                                             NSLog(@"error getting sleep samples: %@", error);
+                                             callback(@[RCTMakeError(@"error getting sleep samples", nil, nil)]);
+                                             return;
+                                         }
+                                     }];
 
-
-
-
-
-
-
-
-
-
-
-
-// fetchSleepCategorySamplesForPredicate
-
-
-
-
-    // HKCategoryType *categoryType =
-    // [HKObjectType categoryTypeForIdentifier:HKCategoryTypeIdentifierSleepAnalysis];
-    //
-    // HKCategorySample *categorySample =
-    // [HKCategorySample categorySampleWithType:categoryType
-    //                                    value:HKCategoryValueSleepAnalysisAsleep
-    //                                startDate:startDate
-    //                                  endDate:endDate];
-
-
-
-
-
-    // HKQuantityType *weightType = [HKQuantityType quantityTypeForIdentifier:HKQuantityTypeIdentifierBodyMass];
-    //
-    // HKUnit *unit = [RCTAppleHealthKit hkUnitFromOptions:input];
-    // if(unit == nil){
-    //     unit = [HKUnit poundUnit];
-    // }
-    //
-    // [self fetchMostRecentQuantitySampleOfType:weightType
-    //                                 predicate:nil
-    //                                completion:^(HKQuantity *mostRecentQuantity, NSDate *startDate, NSDate *endDate, NSError *error) {
-    //     if (!mostRecentQuantity) {
-    //         NSLog(@"error getting latest weight: %@", error);
-    //         callback(@[RCTMakeError(@"error getting latest weight", error, nil)]);
-    //     }
-    //     else {
-    //         // Determine the weight in the required unit.
-    //         double usersWeight = [mostRecentQuantity doubleValueForUnit:unit];
-    //
-    //         NSDictionary *response = @{
-    //                 @"value" : @(usersWeight),
-    //                 @"startDate" : [RCTAppleHealthKit buildISO8601StringFromDate:startDate],
-    //                 @"endDate" : [RCTAppleHealthKit buildISO8601StringFromDate:endDate],
-    //         };
-    //
-    //         callback(@[[NSNull null], response]);
-    //     }
-    // }];
 }