What causes seizures to occur upon waking up?

Reviewed by Yoshinori Abe, MD

Internal Medicine

Seizures upon waking are often linked to shifts in brain activity that occur during the transition between sleep and wakefulness. Certain types of epilepsy, such as juvenile myoclonic epilepsy and awakening grand mal epilepsy, are especially prone to causing seizures shortly after waking. Sleep deprivation, stress, and irregular sleep schedules can further increase seizure risk during this vulnerable window.

If you or a loved one has experienced seizures after waking, understanding the underlying cause is the critical first step toward getting the right care. A free, instant, online symptom check can help you identify possible conditions, assess urgency, and clarify what to discuss with a doctor—empowering you to take confident next steps toward answers and treatment.

Reviewed for medical accuracy: 07/20/2026

Important Next Steps

Learn if morning seizures need urgent care Discover likely causes of seizures upon waking See if your waking seizures are serious Find OTC options for seizure-related symptoms Find a doctor for seizure disorders Understand medically valid home remedies for seizures Find out what causes waking seizures

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Explanation

Seizures that occur upon waking up are often linked to the transitions between sleep and wakefulness. These transitions can affect brain activity, which may trigger seizures in some people.

Key Points:

Epilepsy Types: Some types of epilepsy, like 'grand mal on awakening,' are more likely to cause seizures when a person wakes up. This is because the brain's electrical activity changes during sleep and waking periods.
Sleep and Epilepsy: Sleep can influence epilepsy in different ways. The brain goes through various stages during sleep, and some of these stages can make seizures more likely.
Interactions: The interactions between sleep and epilepsy are complex. Sleep can both help and hinder epilepsy, depending on the individual and the type of epilepsy they have.

Understanding these interactions can help in managing epilepsy and reducing the risk of seizures upon waking. If you're experiencing symptoms or have concerns about seizures, you can start by taking a free symptom checker test and then discuss the results with a healthcare professional.

(References)

Janz D. (2000). Epilepsy with grand mal on awakening and sleep-waking .... Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology, 10996562.
Schmitt B. (2015). Sleep and epilepsy syndromes. Neuropediatrics, 25965811.
Méndez M, & Radtke RA. (2001). Interactions between sleep and epilepsy. Journal of clinical neurophysiology : official publication of the American Electroencephalographic Society, 11435803.

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