If you regularly wake up from seven or eight hours of sleep still feeling tired, your instinct might be to start aiming for ...

The fact that seeing you imbibe has such a negative effect on your husband may be an indication that his own sobriety is ...

A study on birds finds that when jackdaws are sleep-deprived, they stop sleeping with one eye open and enter deeper sleep, risking safety.

Your body provides many signs when it needs rest, including dark circles, muscle aches, and skin blemishes. Here’s how to ...

Generally, it should take 24 to 48 hours to recover from a long run. “More experienced runners who have built a strong ...

A lack of sleep is probably the most obvious (and most common) reason for why we feel exhausted. According to the National ...

However, a new study of European jackdaws shows that this strategy has its limits: when sleep-deprived, these clever, social birds were more likely to fall into deep sleep in both brain halves – even ...

“Some birds can function surprisingly well on far less sleep than we can, but even that strategy appears to have its limits. We have found that when they’re tired, jackdaws are more likely to ...

While this loop I have found myself in is not a fun one, feeling tired at the “wrong” time is a common complaint that patients share with their sleep doctors, said Dr. Sonja Schütz ...

Another key psychological mechanism contributing to sleep procrastination is delay discounting; the favouring of immediate ...