Results

Receipts, not reviews.

What testers found when they compared themselves with themselves. Totals only, never a person, and only once enough testers finish that nobody can be picked out.

N of 1 · Study 01

Mouth tape · Feb to Jun 2026

Testers
29
Nights logged
81
Dry mouth, no tape
59%
Dry mouth, tape
12%
Slept better on tape
16 / 20

Paid for opinions$0.00

Self-reported, not blinded, not a clinical trial. Full report on getevident.co.

Study 01: mouth tape. The published results.

29 testers, 81 nightly logs, February to June 2026. Every tester alternated nights with and without mouth tape, and compared themselves with themselves.

Without tape

59%

of nights with dry mouth

With tape

12%

of nights with dry mouth

5.7 → 7.1Average sleep quality, out of 10
16 of 20rated their sleep higher on tape nights

“I slept more peacefully on the nights I used the mouth tape.”

J. M., Study 01 tester, shared with permission

Study 01 was a pilot study: self-reported and not blinded, not a clinical trial. Evident Health owns Sleep Karma, the tape tested.

Read the full Study 01 report ↗

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