Insomnia: Definition, Symptoms, Causes | Insomnia who
Insomnia[1]isasleepdisorder[2]inwhichyouhavetroublefallingand/orstayingasleep.Theconditioncanbeshort-term(acute)orcanlastalongtime(chronic).Itmayalsocomeandgo.Acuteinsomnialastsfrom1nighttoafewweeks.Insomniaischronicwhenithappensatleast3nightsaweekfor3monthsormore.Therearetwotypesofinsomnia[3]:primaryandsecondary.Youmightalsohearabout:Sleep-onsetinsomnia:Thismeansyouhavetroublegettingtosleep.Sleep-maintenanceinsomnia:Thishappenswhenyouhavetroublestayingasleepthroughthenightorwakeuptooearly.M...
Insomnia[1] is a sleep disorder[2] in which you have trouble falling and/or staying asleep.
The condition can be short-term (acute) or can last a long time (chronic). It may also come and go.
Acute insomnia lasts from 1 night to a few weeks. Insomnia is chronic when it happens at least 3 nights a week for 3 months or more.
There are two types of insomnia[3]: primary and secondary.
You might also hear about:
Sleep-onset insomnia: This means you have trouble getting to sleep.Sleep-maintenance insomnia: This happens when you have trouble staying asleep through the night or wake up too early.Mixed insomnia: With this type of insomnia, you have trouble both falling asleep and staying asleep through the night. Paradoxical insomnia: When you have paradoxical insomnia, you underestimate the time youre asleep. It feels like you sleep a lot less than you really do.Primary causes of insomnia include:
Stress[4] related to big life events, like a job loss or cha...