Back to school and back to work season has millions of people setting multiple alarms to make it out the door on time. But a sleep medicine physician says those extra minutes of shuteye could actually ...

Ever had a busy day ahead of you, but you just couldn't get out of bed? You're probably experiencing sleep inertia. Scientifically, "sleep inertia refers to the temporary degradation of alertness and ...

when you want it to wake up. It generally feels like a temporary disorientation and drop in performance or mood after you wake up. Here's how to know if you're affected by sleep inertia and what you ...

Our long-term review of the Philips SmartSleep Wake-Up Light. See why the subscription-free sunrise alarm is the ultimate ...

Q: I recently heard on social media about something called sleep inertia. It came up in a conversation about how to get a better night’s sleep. Is this real, or was it invented? I often don’t feel ...

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Put these two things together and it means that the window of waking becomes especially potent for attentional priming — ...

If you’ve ever felt groggy after waking up, you’ve experienced sleep inertia. It usually lasts 30 to 60 minutes but can affect you longer if you’re sleep-deprived. Other symptoms include ...

It's 6:15am and your alarm has just gone off. You roll over and hit the snooze button... once... twice... and then again. It's 7am now and you have to get out of bed ...

One person may be highly productive in the morning, take an afternoon nap and return to work feeling recharged. Another may avoid naps altogether because sleeping during the day makes them feel ...