Known as “sleep inertia” or “sleep drunkenness,” this feeling is perfectly normal and typically lasts for 20 to 30 minutes after we wake up, McHill explains. But if it lasts longer than ...

You’re most likely to wake up during this stage. Deeper sleep begins in stage two, as your breathing and heart rate become slower and your body temperature drops. Stage three is the deepest and ...

Heart palpitations are very common and usually harmless. Several everyday things can make you wake up with your heart racing. But sometimes, an underlying condition may be the reason. Read on to ...