Ashwagandha isn't a sedative, so it doesn't knock most people out. But it may help you sleep better over time by lowering stress and calming an overactive mind. A small number of people feel mildly drowsy, especially at higher doses.

If you've been wondering whether to take it in the morning or at night, read on.

What Is Ashwagandha?

Ashwagandha (Withania somnifera) is an herb used for thousands of years in Ayurveda, India's traditional system of medicine. It's known as an adaptogen, meaning it may help the body cope with physical and mental stress.

The species name somnifera is Latin for "sleep-inducing," which hints at its old reputation as a calming herb. But what does modern research say?

Does Ashwagandha Make You Sleepy?

For most people, not in the way a sleeping pill does. Ashwagandha doesn't force sleep. Instead, some people feel calmer and more relaxed, which can feel like sleepiness, particularly if stress was keeping them wired.

A minority report:

• Mild drowsiness, especially in the first few days
• Feeling relaxed or "slowed down" after a larger dose
• Extra sleepiness when combined with other calming supplements or sedating medications

Others notice no change in alertness, and a few feel slightly more energized. Responses vary from person to person.

Can Ashwagandha Help You Sleep Better?

Research suggests it might. Some clinical trials and reviews have found that ashwagandha extract improved sleep quality in adults, with the strongest effects in people with insomnia or high stress. Benefits tend to show up after several weeks of consistent use.

The research isn't perfect. Many studies are small and use different extracts and doses, so ashwagandha is best seen as a possible support for sleep, not a guaranteed fix.

Why It May Help

• Stress and cortisol: Some studies show ashwagandha may lower cortisol, the stress hormone that can keep your body alert at bedtime.
• Calmer mind: Less stress and anxiety often means falling asleep more easily.
• Active compounds: Withanolides and other plant compounds are being studied for sleep-promoting effects.

Morning or Night: When Should You Take It?

• For better sleep: Many people take it in the evening, about 30 to 60 minutes before bed.
• If it makes you drowsy: Take it at night.
• If it doesn't affect your alertness: Morning or afternoon works too.
• For stress through the day: Some people split the dose between morning and evening.

The best routine depends on your goal. We break this down in Ashwagandha for Sleep vs. Ashwagandha for Stress: Same Herb, Different Routine.

Take it with food if it upsets your stomach, and stay consistent. The benefits build gradually, not overnight.

How Much Should You Take?

Dosage depends heavily on the product. Some labels list a concentrated root extract, while others list total root powder per serving, so the numbers aren't directly comparable. The safest approach is to follow the serving size on your product's label, start at the low end, and see how your body responds before increasing.

Possible Side Effects

Ashwagandha is generally well tolerated in short-term use, but some people experience:

• Drowsiness
• Upset stomach, nausea, or loose stools
• Headache

Who Should Avoid It?

Talk to a healthcare professional before using ashwagandha if you:

• Are pregnant or breastfeeding
• Have a thyroid condition (it may affect thyroid hormone levels)
• Have an autoimmune condition
• Take sedatives, sleep aids, thyroid, blood pressure, or diabetes medication
• Have liver problems
• Have surgery scheduled (it's usually advised to stop beforehand)

Habits That Make Ashwagandha Work Better

No supplement replaces good sleep habits. To get the most out of it:

1. Keep a consistent sleep and wake time.
2. Cut screens 60 minutes before bed.
3. Keep your bedroom cool, dark, and quiet.
4. Limit caffeine after midday.
5. Try a short wind-down routine like stretching, reading, or breathing exercises.

Sleep, Stress, and Your Nerves

Poor sleep and chronic stress often show up together, and some people also notice tingling, numbness, or discomfort that seems to get worse when they're run down. If that sounds familiar, our article Is Your "Normal" Tingling Actually a Warning Sign? explains what doctors say and why persistent symptoms deserve a proper check-up. For a look at how nutritional support fits in, see Your Nerves Deserve Better.

The Bottom Line

Ashwagandha doesn't typically make you sleepy the way a sedative would, but it may help you sleep better by easing stress over time. If you feel drowsy, take it in the evening. If you don't, timing is flexible. Give it a few weeks, follow the label, and check in with a healthcare professional if you have any health conditions or take medication.