Almost 30 percent of adults have insomnia, so if you have trouble drifting off or staying asleep, you’re not alone. Sleep better tonight with our three easy tips about the importance of sunlight, sleeping positions, and why seven hours – not eight – may be the magic number for the most restful sleep. To support more content like this, become an AARP member at aarp.org. And don’t forget to subscribe for more tips and tricks to help make your life a little easier — and happier!