Assertion: insomnia | /r/Causes | daytime fatigue
Facets:
Source sentences:
text: Insomnia may cause daytime fatigue and reduced energy levels.
text: While both narcolepsy and insomnia are sleep disorders that cause daytime tiredness, narcolepsy occurs when someone cannot control when they fall asleep and insomnia occurs when someone has trouble falling (and staying) asleep.
text: Insomnia can cause daytime sleepiness and a lack of energy.