Lesson Snack

Learn something useful in 5-minute snacks.

Short, interactive lessons you can finish on a coffee break: one idea at a time, a quick check that you have it, and something to try the same day. Free to read, no account needed.

The first course

Sleep, Decoded Module 1 open

A three-week course on how sleep works and how to improve yours: short lessons, a sleep diary that does the maths for you, a bedtime calculator, flashcards and a plan you write yourself.

Every module is checked by an independent fact-checker before it opens; new modules follow week by week. It is general education, not medical advice.

Start the course

Get each new module when it opens

One short email when a new module or course opens, then a new snack now and then. No spam; unsubscribe with one click.