HTP is a popular supplement that can increase levels of the hormone serotonin in the brain. But very little evidence supports ...

Waking up tired or wired? Your circadian rhythm could be off. Reset your internal clock with science-backed habits for deeper ...

New research from the University of Surrey reveals that being a night owl can lead to increased depression, poor sleep ...

In the single week of 60 degrees and sunshine that Ann Arbor teased us with, I was walking in short sleeves with one of my ...