We've been testing charging speeds for years and now see that newer phones can get plenty of power in just 30 minutes.

Summer is the season of travel, but crossing time zones can take a toll on your sleep and your vacation. Here's how to handle ...

Sleep doctors say getting out of bed could help insomnia. Here’s the science behind the 20-minute rule and how to use it.

A bad night’s sleep can lead to a drop in cognitive abilities, increased stress and general grumpiness the following day.

If you frequently wake up throughout the night, you may not be going through all the stages of sleep, according to experts. Interrupting your sleep mid-cycle can disrupt your body and leave you ...

Waking up exhausted but your sleep tracker says you slept great? You aren't imagining it. Here is how your menstrual cycle ...

All the medicines you've used can affect sleep architecture. Ambien (zolpidem) and Lunesta (eszopiclone) are in the Z-drug ...

From puffer jackets designed for power naps to homes that auto-adjust lighting and temperature, better sleep in Japan is a ...

Cannabis has become a go-to-sleep aid, but safety evidence is lacking. IRA_EVVA/iStock via Getty Images Plus For millions of people, cannabis has become the unofficial prescription for lost sleep. But ...

For millions of people, cannabis has become the unofficial prescription for lost sleep. But what feels like a solution may be quietly making the problem worse. Consider these two cases: She is 15 and ...

Add Yahoo as a preferred source to see more of our stories on Google. How long does caffeine stay in my system? If I drink an afternoon cup or two, will it mess with my sleep? Java lovers, you may be ...

How long does caffeine stay in my system? If I drink an afternoon cup or two, will it mess with my sleep? Java lovers, you may be in for a brewed awakening. A 2023 randomized trial published in the ...