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What actually causes jet lag?

The simple science — and how Ra Optics has partnered with a major airline to solve it.

Ra OpticsSunday, Jun 7, 2026 at 9:01 AM EasternKlaviyo
Ra OpticsWhat actually causes jet lag?
Subject
What actually causes jet lag?
Preview text
The simple science — and how Ra Optics has partnered with a major airline to solve it.
From
support@raoptics.com
Sent
Sun Jun 7, 2026, 9:01 AM ET
Sent to
raoptics.com, raoptics.io
Size
51 KB
Images
13
Links
19, 4 of them buttons
Subject length
29 characters

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Ra Optics <[email protected]>
Subject
What actually causes jet lag?
Date
Sun, 07 Jun 2026 13:01:24 +0000 (UTC)
Message-ID domain
geopod-ismtpd-17
Return-Path domain
hello.raoptics.com
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d=raoptics.com s=kl2
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