We all have done it, woken up on the wrong side of the bed. That's just a phrase used to show we can be irritable and grumpy when the quality of sleep is poor. Sleep statistics published by Sleepassocation.org indicate 50-70 million U.S. Adults have a sleep disorder. A good night's sleep is described as five 90-minute complete sleep cycles. Each cycle has four sleep stages going between light sleep and deep sleep. The first stage is the lightest sleep phase followed by two deeper sleep stages and the fourth stage is the Rapid Eye Movement (REM) stage.
Most of us have little control over the wake up time with the alarm clock just telling us it is time to start the day! What we can control is our sleep quality to ensure best sleep. Use of sleep trackers are effective tools to track sleep patterns. Sleep tracking apps collect sleep data and