In the order they arrived, from the first email after signup.
How often, when and how Eight Sleep emails its subscribers, measured from every email we received.
Every subject line and preview text, in the order they arrived.
We captured 5 emails from Eight Sleep after signing up: product launch, feature announcement and feature tip emails.
It sends with SendGrid and its designs lean blue on dark backgrounds.
Its subject lines run about 38 characters, and 20% are questions.
