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Information sheetSleep and energy · No. 329

Sleep and anxiety

How anxiety and sleep problems reinforce each other, and practical steps to calm both.

2 min read · Awareness resource · Reviewed 2026-09-15

Lying awake with your mind racing is one of the most exhausting places to be. Anxiety and poor sleep often feed each other, but understanding the link is the first step to breaking the cycle.

What it is

Anxiety can make it hard to fall asleep because your body stays in an alert, on-guard state even when you are trying to rest. In turn, poor sleep can make anxiety feel worse the next day, since a tired brain finds it harder to regulate emotions and worry. Over time, this can become a self-reinforcing cycle.

Signs to notice

  • Racing thoughts or worry as soon as you lie down.
  • Physical tension, a fast heartbeat or restlessness at bedtime.
  • Waking during the night with your mind immediately jumping to worries.
  • Dreading bedtime because you expect another difficult night.
  • Feeling more anxious, irritable or overwhelmed after a poor night's sleep.

What helps

  • Set aside a short "worry time" earlier in the evening to write down concerns, so they feel less urgent once you are in bed.
  • Practise slow, deep breathing or progressive muscle relaxation before sleep to calm your nervous system.
  • Keep your bedroom associated with rest, not with lying awake worrying. If you cannot sleep after twenty minutes, get up briefly and return when sleepy.
  • Limit checking the time repeatedly during the night, as this can increase anxiety about not sleeping.
  • Build a predictable wind-down routine so your body has consistent cues that it is time to relax.
  • Be gentle with yourself on hard nights. Pressuring yourself to sleep often makes it harder.

When to reach out for help

If anxiety is a near-nightly barrier to sleep, or if worry and poor sleep are significantly affecting your daily life, work or relationships, professional support can help. Anxiety that disrupts sleep this consistently usually responds well to proper treatment and support.

Getting help in South Africa

Cleared Mind's EAP counsellors can help you work through anxiety and build practical tools for calmer nights. SADAG's Mental Health Line (011 234 4837) offers support and can help you find appropriate care. If anxiety ever tips into thoughts of harming yourself, reach out immediately using the crisis details below.


If you or someone else is in immediate danger, reach out now. SADAG Suicide Crisis Helpline (24h): 0800 567 567 or SMS 31393. SAPS 10111, ambulance 10177, GBV Command Centre 0800 428 428.