Medical disclaimer: SnoozeVerdict summarizes what people say about sleep supplements on Reddit. It is not medical advice, and nothing here is meant to diagnose, treat, cure, or prevent any disease. These statements have not been evaluated by the Food and Drug Administration. Talk to your doctor or pharmacist before starting a supplement, especially if you are pregnant, take medicines (including sleep or mood medicines), or have a medical condition. Poor sleep that lasts for months, loud snoring or gasping at night, or falling asleep during the day while driving or working needs a doctor, not a supplement. Full disclaimer.

Side Effects Reported by Users

What owners say went wrong, counted from their own Reddit comments. Each page links to the quotes behind the numbers and to NIH safety sources.

SupplementComments describing an unwanted effectShare of owner comments
Melatonin side effects15313%
Magnesium glycinate side effects10710%
Magnesium side effects606%
L-theanine side effects309%
Glycine side effects207%
Valerian side effects1614%
Magnesium L-threonate side effects1413%