+Insomnia is a common [sleep](/wiki/sleep) disorder marked by consistent difficulty falling or staying asleep. This persistent [wakefulness](/wiki/wakefulness) can lead to daytime fatigue and impaired function, profoundly affecting one's well-being.
+## See also
+- [Sleep](/wiki/sleep)
+- [Dreams](/wiki/dreams)
+- [Fatigue](/wiki/fatigue)
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