Among the most frustrating of sleep disorders, insomnia can be particularly maddening. The persistent inability to fall asleep, especially when you are tired, can leave you stressed and wound up and wondering what is wrong. Yes, an inability to sleep will occasionally occur, but persistent insomnia is no laughing matter.

Most everyone experiences some minor episodes of insomnia lasting from one night to intermittent episodes of sleeplessness for a few weeks. This form, called transient insomnia, is not unexpected and almost everyone will face it at some point in their lives. For instance, a particularly stressful week at work might leave someone unable to sleep for a few nights. But, once the week is over, they can get back to sleeping normally.

Some people may also experience acute insomnia, which is a form of short-term insomnia that can strike at some points in peoples