Discover Calm. #1 App for Meditation & Sleep. I use Calm every night/day and I LOVE it. It has helped me manage my stress and anxiety so well. Madison, Calm User. Start Your Free Trial. Already subscribed? Login here. 11 Aug Researchers at the University of Oxford tested 41 volunteers who had insomnia, asking them to count sheep, visualize soothing images, or do nothing. They found that on the nights when the insomniacs pictured relaxing scenes, they fell asleep an average of 20 minutes sooner than on the other nights. Sleep Sleep is beneficial for the rejuvenation of human functioning, and animal studies have shown it necessary for survival. Deprivation and disturbance of this rejuvenating process can have many adverse effects. With aging, these effects include excessive daytime sleepiness, fatigue, frustration, depression, poor quality.