Open your curtains in the morning. Morning light may help night sleep. (nature.com)
A new Nature study found a link. More daytime light went with earlier sleep. People also woke up earlier. (nature.com)
Regular light was good too. It was linked to deep sleep early at night. (nature.com)
The study did not prove light did it. (nature.com)
Still, this habit is easy. For example, eat breakfast by the window. Let the room get bright. Your body clock, your inside time, may work better. (nature.com)










