CortexLit

CortexLit tool · Sleep · Runs offline · No account

Snooze Two-Week Test

Set up a fixed-wake-time trial of your alarm routine and print a morning rating sheet you can actually fill in.

← Back to the article · See the evidence

This tool gives general information based on the research summarised in The Snooze Button: What the Studies Found About Morning Grogginess. It is not a medical device, does not diagnose, and does not replace advice from your clinician.

Your inputs

Share (opt-in)

Off by default. Anything here is built on your own device and nothing is uploaded. Pick exactly what goes on the card.

Preview of exactly what would be shared:










Free vs Plus




Free (this page)
  • full trial setup with fixed wake time
  • printable morning rating sheet
  • text export and print
  • all citations and cautions


Plus (optional, one-time)
  • calendar (.ics) morning check-in reminders
  • unlimited share images
  • share card without the 'Made with CortexLit' footer


Checkout isn't live yet, so Plus is unlocked here with a local code. The check runs in your browser and can be bypassed; it is a placeholder for a real payment link.






Free tier: 1 share image per result.






Commercial disclosure: optional paid Plus tier; all evidence, cautions and the main result are free. No affiliate links, no sponsors.







What this is based on


Every output names at least one verified PubMed source. Identifiers were verified on 2026-10-11 in an earlier batch and carried over into this build; they were not re-queried here, and no retraction database was checked. Verification was at abstract level.


Ogawa 2022
Ogawa K, Kaizuma-Ueyama E, Hayashi M. Effects of using a snooze alarm on sleep inertia after morning awakening. J Physiol Anthropol. 2022;41(1):43. doi:10.1186/s40101-022-00317-w. PMID: 36587230.
PMID 36587230 · controlled experiment · weight 0.5 · abstract level
Sundelin 2024
Sundelin T, Landry S, Axelsson J. Is snoozing losing? Why intermittent morning alarms are used and how they affect sleep, cognition, cortisol, and mood. J Sleep Res. 2024;33(3):e14054. doi:10.1111/jsr.14054. PMID: 37849039.
PMID 37849039 · controlled experiment · weight 0.5 · abstract level
Mattingly 2022
Mattingly SM, Martinez G, Young J, et al. Snoozing: an examination of a common method of waking. Sleep. 2022;45(10):zsac184. doi:10.1093/sleep/zsac184. PMID: 35951011.
PMID 35951011 · observational study · weight 0.5 · abstract level


Limits: A personal trial tells you about you, not about snoozing in general. Self-ratings of grogginess are influenced by what you expect to find.







Privacy


Inputs stay in this page's memory. There is no telemetry, no analytics call and no network request. Saving is opt-in, local to this browser, deletable, and unencrypted.