We tested thousands of sleep products. Here’s what’s worth getting.

Preview text: What our team recommends for mattresses, pillows, sheets, and trackers this year

Monday, Sep 21, 2026 at 1:22 PM EasternKlaviyo

Sleep FoundationWe tested thousands of sleep products. Here’s what’s worth getting.

Fit to screenFull size

Using this email in an article? Credit: Sleep Foundation email via They Sent It, with a link to this page. Full-size image

Use this example

Subject: We tested thousands of sleep products. Here’s what’s worth getting.
Preview text: What our team recommends for mattresses, pillows, sheets, and trackers this year
From: newsletter@sleepfoundation.org
Brand: Sleep Foundation
ESP: Klaviyo
Sent: Mon Sep 21, 2026, 1:22 PM ET
Size: 78 KB
Images: 12
Links: 31, 12 of them buttons
Subject length: 68 characters

Against Sleep Foundation's usual

Sent in the 1 PM hour, which holds 13% of its emails; 28% arrive in the 12 PM hour. The subject is 68 characters; its average is 45.

Email headers

What the brand's servers put on this email. Our receiving servers, the address we subscribed with and unsubscribe links are left out.

From: Sleep Foundation <[email protected]>
Subject: We tested thousands of sleep products. Here’s what’s worth getting.
Date: Mon, 21 Sep 2026 17:22:48 +0000 (UTC)
Message-ID domain: geopod-ismtpd-57
Return-Path domain: email.sleepfoundation.org
DKIM signature: d=sleepfoundation.org s=kl2
List-Unsubscribe: Present, one-click

Other sending headers (names only): X-Kmail-Account, X-Kmail-Flow, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse, X-SG-EID, X-SG-ID, X-Entity-ID

	Oct 12, 2026 1:35 PM	Elevate Your Bedtime Bliss: Discover the Best Sheets
	Oct 5, 2026 1:34 PM	We tested hundreds of pillows so you can skip straight to the good ones
	Sep 28, 2026 1:33 PM	Your Sleep Quality Deserves An Upgrade!
	Sep 21, 2026 1:22 PM	We tested thousands of sleep products. Here’s what’s worth getting. (this email)
	Sep 14, 2026 1:08 PM	We tested 2,000 beds. Here is what we found for every type of sleeper.
	Sep 7, 2026 12:54 PM	Elevate Your Bedtime Bliss: Discover the Best Sheets
	Aug 31, 2026 12:55 PM	Pillow Perfection: Explore the Best Pillows