Just 30% of Americans say they are consistently getting enough sleep, according to the National Sleep Foundation. Dr. Mike Varshavski, board-certified family medicine physician, joins TODAY with tips ...

More than a third of Americans wake up at 3 AM regularly. Here is the biology behind it and the fixes that actually work.

Using a melodic song you enjoy as an alarm sound can potentially reduce feelings of grogginess upon waking. However, waking suddenly from sleep may have negative effects. Many people use an alarm ...

Feeling sluggish after a full night's rest might indicate more than just a lack of sleep. Health professionals point to ...