A third of us suffer from insomnia, but not all sleeplessness is the same. While some of us struggle to nod off at the beginning of the night, many more of us wake in the wee hours, watching the clock as we stress out about losing sleep. If you’re in the habit of waking up in the middle of the night, try our tricks to send you into a deep slumber without the stress. Tip one: Don’t ever check the time when you wake up during the night.