4. Open Your Blinds

To feel happier in seconds, let the sunlight stream in when you first wake up.
One study of more than 450 women found that those who got the most light, particularly in the morning, reported better moods and sleep. Got more time? Eat breakfast near a window that gets plenty of daylight, and put exercise equipment near a bright view. Some researchers speculate that combining exercise with morning light exposure may amplify light's beneficial effects on mood, sleep, and alertness, says Anthony Levitt, MD, a University of Toronto light researcher.

Click here to see the next tip.