A new study highlights how controlled exposure to natural light before waking can improve morning alertness and reduce sleepiness.

Draw your blinds to dim the light a good couple of hours before you’re ... At the start of the night, a 1C drop in temperature is needed to help you fall asleep. “It’s this decrease, coupled ...

Researchers tested whether introducing light into the bedroom before waking would improve morning wakefulness and found an amount of time that seems to help fight off fatigue and raise alertness most.