Vagus nerve stimulation for sleep
What it does at bedtime, how long it takes before that shows up in how you sleep, and the cases where a different device is the better buy.
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The short answer
A vagus nerve stimulator does not sedate you. It is not a sleeping pill and it will not switch a racing mind off on demand. What it does is nudge the body from a sympathetic, alert state toward a parasympathetic one — the state falling asleep normally happens from.
In practice that means using it as the last step of a wind-down, not as the thing you reach for at 3am. Four minutes on a low-frequency mode, lights already low, phone already down.
The timeline is the part most of this category is dishonest about. Many people feel calmer during the very first session. Whether that turns into falling asleep faster on a Tuesday in six weeks is a different question, and for most people it takes near-daily use over roughly that long before it is obvious. Published reviews of transcutaneous vagus nerve stimulation describe accumulating effects over weeks rather than single-session ones.
Honest expectations
Including the two cases where you should buy something else.
Where it fits in a wind-down
The order matters more than the device does.
Lower the lights first
Stimulation works with the rest of a wind-down, not instead of it. A bright room undoes most of what the next ten minutes are for.
Put the phone down
Then use the remote, or the two buttons on the band. Nothing on this device needs a screen.
Four minutes, low frequency
The wind-down mode uses a slower pulse pattern than the daytime one. Sit or lie down for it.
Then go to bed
Not another hour of television. The point of the session is to hand a calmer body to the next thing, and the next thing should be sleep.
Questions people actually ask
Should I use it right before bed?
Yes — as the last step of a wind-down rather than the first. Lights low, phone down, then four minutes on the wind-down mode, then bed.
Can I use it if I wake in the night?
You can, and some people do. It fits the start-of-night problem better than the middle-of-night one, and switching a light on to use it can cost more than the session gives back.
How long until my sleep actually changes?
Most people who report a difference describe it after several weeks of near-daily use. Feeling calm in the first session is common; that is not the same thing as sleeping differently.
Is it safe to fall asleep wearing it?
Take it off first. Sessions are about four minutes and the device is not designed to be slept in.
Does it treat insomnia or sleep apnoea?
No. Holtrow Pulse is a wellness device, not a medical device, and it is not intended to diagnose or treat any condition. Persistent sleep problems are worth a doctor's opinion.
Pulse or Drift for sleep?
Pulse is for a body that is still wound up. Drift is a CES device aimed at a mind that will not stop talking. If the problem is thoughts rather than tension, start with Drift.
Keep reading
Four minutes at the end of the wind-down.
Thirty nights to find out whether it changes yours. $99.90, gel included.
Holtrow Pulse is a non-invasive wellness device, not a medical device. It is not FDA-cleared and is not intended to diagnose, treat, cure or prevent any disease. Do not use it if you are pregnant, or have epilepsy, a pacemaker or other implanted electronic device, or a heart condition — speak to a doctor first. Research findings described on this page come from published studies of vagus nerve stimulation in general; they are not results measured with this device.