1. When you wake up in the middle of the night, you find:

Waking up in the middle of the night and not being able to go back to sleep is a symptom of insomnia. 

If you do not fall back asleep within 15-20 minutes, you should get out of bed, go to another room and engage in a relaxing activity such as listening to music or...

Stand or sit up, clap your hands, and move your body. Connect with your senses by noticing what you can hear, see, smell, taste, and feel. The idea is to reconnect with the world.

Most of the rumination happens when you are in a state called “waking sleep": when you are doing things, but yo...

As soon as you wake up, go outside and get sunlight onto your eyes. (Don't stare directly into the sun.)

Your retinas get more sensitive as the day goes on, and they are less sensitive in the morning. You need to spend about 2 - 10 minutes outside, depending on how bright ...