Insomnia is another area that CES is examined in. Some CES devices have limited regulatory approvals for insomnia as well. To familiarize yourself with the basics of this method, also see the article What is CES and how does it differ from rTMS?.

Why might CES affect sleep?

The main hypothesis is that gentle CES stimulation can shift the activity of the autonomic nervous system towards greater relaxation — a state that is beneficial for the onset and maintenance of sleep.

Using a CES device before sleep in a calm environment

CES is not a substitute for CBT-I

Cognitive-behavioral therapy for insomnia (CBT-I) remains the first-line treatment for chronic insomnia. CES is at best a complementary tool, not a substitute for the fundamental principles of sleep hygiene.

Important tips before use

  • Using CES close to bedtime is usually recommended (according to doctor's instructions)
  • Do not expect immediate results — the assessment of effects typically occurs over several weeks
  • Do not disregard the fundamental principles of sleep hygiene (regular schedule, caffeine restriction)
A dark and quiet bedroom suitable for sleep hygiene

To learn about the general principles of sleep hygiene and the causes of chronic insomnia, you can refer to related articles on the site; for necessary precautions before any electrical stimulation, also read the article CES/tDCS Side Effects and Precautions.

Psychiatrist explaining precautions for using CES for sleep

Summary for the patient

CES may help improve sleep quality for some individuals, but it is not a substitute for sleep hygiene and CBT-I (the standard treatment for insomnia).

Sources

  • National Sleep Foundation — Non-Pharmacological Approaches to Insomnia
  • U.S. Food and Drug Administration (FDA) — General Information on CES Approval for Insomnia
  • American Academy of Sleep Medicine — Clinical Guidelines for Chronic Insomnia
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