Here, sleep pros answer the big question of what is sleep inertia and how you can move past the groggy feeling with six tips. Waking up can be hard, even under the best of circumstances. But sometimes ...

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 ...

The IVO quantum inertia drive is in orbit now and will be turned on within one to ten weeks and then operated for many weeks or months. The IVO quantum inertia drive is very controversial because it ...

Sleep inertia occurs when your body is fighting to stay asleep 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 ...

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 ...

In a state of bewilderment one fine day, I asked a group of three mechanical engineers at this company where I was then employed if they could please explain to me the concept of “moment of inertia”.

What do we mean when we describe a surface as having “high thermal inertia”? The term refers to the ability of a material to conduct and store heat, and in planetary science, its measure of the ...

“Active inertia” is not a new concept, but it’s definitely newer than the concept of raising purses on the PGA Tour. In 1999, MIT professor Donald Sull introduced the idea in the Harvard Business ...