Best Sleep Supplement 2025

AWARD WINNER

Best Sleep Supplement 2025

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I genuinely have never experienced a 100 Garmin body battery score until I started using ainslie + ainslie Day and Night powders.

AS

Aaron Smith

Oct 2025

“I’ve been using it for a year now and it honestly helps…even at Everest Basecamp!”

“I’ve been using it for a year now and it honestly helps…even at Everest Basecamp!”

Kenton Cool

Record-Breaking Mountaineer

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I was cynical but I am really, really impressed. My muscle recovery and mental clarity have vastly improved since taking this supplement.

BR

Ben Richardson

Jan 2025

“This season, I became British Champion. I can confidently say that the NIGHT POWDER played a significant role in getting 
me there”.

“This season, I became British Champion. I can confidently say that the NIGHT POWDER played a significant role in getting 
me there”.

Ade Omitoju


GB Triple Jumper

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My average sleep score rose by 10 points and my average HRV rose by 5 points. After 2 weeks I committed to a subscription.

Ma

Mark

Nov 2024

24 yoga buys to elevate your practice

24 yoga buys to elevate your practice

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“A STAPLE 
IN MY 
NIGHT TIME ROUTINE”

Holly

London

"I haven't suffered from achy legs since using NIGHT POWDER. It's a staple of my recovery routine."

"I haven't suffered from achy legs since using NIGHT POWDER. It's a staple of my recovery routine."

Anya Culling

England Marathoner

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I'm not a professional athlete but I honestly have needed the stamina of one. This is a brilliant, brilliant product.

AB

AB

Dec 2024

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I'm always cautious with supplement claims, but I noticed an impact immediately backed up by Garmin data. Quality of sleep and recovery markedly improved.

SC

Sam Carter

Sep 2024

The best for 
daytime recovery.

The best for 
daytime recovery.

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Suffered with insomnia since I was a child. There is nothing I have not tried. One week in and it works. I am sleeping. Utterly amazed.

MS

M Sutton

Feb 2025

‘Game changing for 
daily performance’

‘Game changing for 
daily performance’

“I tried a sleep powder and I’m a convert.”

“I tried a sleep powder and I’m a convert.”

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I sleep deeper, more time in core and deep sleep, and my resting heart rate has dropped from 70 to 58 bpm. Highly recommended.

GP

Gavin Preston

Nov 2024

“I always prioritise my recovery and it’s been a 
game-changer.”

“I always prioritise my recovery and it’s been a 
game-changer.”

Hannah Mills,

Double Olympic Champion

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My Garmin sleep score went from an average of 48-60 to 80+ almost immediately. Best thing is it has stayed there.

NR

Nigel Rolfe

Aug 2024

“A great improvement 
in my sleep quality according to my Garmin”

“A great improvement 
in my sleep quality according to my Garmin”

Nick Hutton


Emirates GBR SailGP Grinder

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I've suffered with poor sleep all through my adult life. This is a game changer. I've slept so well from day one and every night since.

JH

Jane Amanda Hancock

Jul 2024

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From sleepless nights with a young family to hormonal changes in my forties, I haven't slept well for years. That is until now.

KP

Kristina P

Jun 2024

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I couldn’t recommend the ainslie and ainslie products more. Probably the best supplements I’ve taken.

Bear WIlliams

Bear WIlliams

Oct 21, 2025

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