Daytime fatigue or sleepiness
Excessive drowsiness, low energy, or persistent urge to sleep during normal waking hours, which may indicate disrupted sleep or an underlying health condition.
Quick answer
Daytime fatigue or sleepiness (ICD-10: G47.10 or R53.1; ICD-11: 7A20) involves excessive drowsiness during waking hours, potentially indicating sleep apnoea, hypersomnia, anaemia, hypothyroidism, or depression. Sleep apnoea is a high-priority consideration.
Recognition
Do any of these feel familiar?
Daytime fatigue and sleepiness create a pervasive impairment that most people try to manage through caffeine, increased activity, or simply powering through — all of which reduce sleep pressure overnight and perpetuate the problem. The impact on cognitive function, mood, and motivation is significant. The frustration of sleeping an apparently adequate number of hours yet feeling persistently unrefreshed is common in sleep-disordered presentations.
What is Daytime fatigue or sleepiness?
Excessive drowsiness, low energy, or persistent urge to sleep during normal waking hours, which may indicate disrupted sleep or an underlying health condition.
Approaches Commonly Explored
Commonly explored for conditions related to Daytime fatigue or sleepiness, grouped by mechanism — select your subtype above to highlight the most relevant path.
How to use these approaches
Most people begin with Stabilise approaches, then progress toward Resolve and Sustain.
Autonomic nervous system — sympathetic / parasympathetic balance.
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