Sleep Health

Why Am I Always Tired?

Persistent daytime fatigue is one of the most common reasons people seek sleep care. Here are the usual causes — and when it's worth getting evaluated.

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Common causes of daytime fatigue

  • Poor sleep quality — fragmented or non-restorative sleep
  • Obstructive sleep apnea — repeated breathing pauses that disrupt deep sleep
  • Insomnia — trouble falling or staying asleep
  • Shift work — a schedule that fights your body clock
  • Medical factors your physician can help identify

When tiredness is more than "just tired"

If you sleep a full night but still feel exhausted, or you're drowsy while driving or at work, that's worth taking seriously. Excessive daytime sleepiness is a hallmark symptom of obstructive sleep apnea.

When to seek an evaluation

Consider a sleep evaluation if fatigue is persistent, paired with loud snoring or witnessed breathing pauses, or affecting your safety. Start with the signs of sleep apnea or home sleep testing. If racing thoughts keep you up, see behavioral sleep health.

Keep Reading

Related Topics

Sleep Health Resource Center

Physician-reviewed sleep guides. →

Signs of Sleep Apnea

Symptoms to watch for. →

Behavioral Sleep Health

Insomnia and anxiety that disrupt sleep. →

Questions

Frequently Asked Questions

Feeling tired despite enough time in bed often points to poor sleep quality - frequently from a condition like obstructive sleep apnea that fragments sleep without fully waking you.
Excessive daytime sleepiness is a hallmark symptom of obstructive sleep apnea, especially when paired with loud snoring or witnessed breathing pauses. A sleep test can tell.
If fatigue is persistent, affects your safety (such as drowsy driving), or comes with snoring or breathing pauses, it's worth a sleep evaluation.

Physician-led sleep care across Georgia.

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