The 10 Best Sleep-Tracking Apps That Will Help You Feel Well-Rested in the Morning

Cost: Free

Wake up refreshed when you use the Sleep Time: Cycle Alarm Timer. Choose from unique soundscapes or white noise to fall asleep to, then one of 20 built-in alarms or any song on iTunes will wake you up. It also features instant heart-rate integration to record your heart rate, unique charts and graphs to show you trends over weeks and months, and the ability to back up data on the cloud.