Dr. Michael Breus explains the four sleep chronotypes: Lions, Dolphins, Bears, and Wolves. Discover your type and optimize ...

Dr. Michael Breus and Dr. Matthew Walker explain why if you're stressed, cortisol spikes are likely behind your 3 a.m.

Add Yahoo as a preferred source to see more of our stories on Google. A few new studies about sleep have been published recently, and "Sleep Doctor" Dr. Michael Breus contributed to two of them. He ...

Add Yahoo as a preferred source to see more of our stories on Google. Is summer heat keeping you up at night? Between soaring temperatures, vacation travel, and even hormonal changes, getting a good ...

The Sleep Doctor, Dr. Michael Breus, is back and we're ready to bombard him with our pressing questions about sleep apnea, lucid dreaming, snoring, sleep positions, sleep talking, morning breath, ...

“Sleep Doctor” and author Dr. Michael Breus stopped by to share tips on how to get a better night’s rest. As we age, our quality of sleep naturally declines but while we can’t stop the clock, there ...

During holiday travel, long flights and unfamiliar beds can disrupt our sleep habits so clinical psychologist Dr. Michael Breus joins TODAY to share tips to help people get quality sleep including ...

Your alarm clock is not the problem. Your genetics might be. Sleep researchers now say the reason you feel wired at midnight ...

Everyone's guilty of hitting the snooze button first thing in the morning from time to time. But the reason you feel groggy and under-rested when you wake up may actually be your bedtime routine. What ...

An unusually persistent heat wave will continue baking Southern California into next week as dangerous surf, rip currents and coastal flooding threaten beaches across the region, forecasters said.