TThe Diary of a CEO
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Self-Mastery

Balanced Pre-Sleep Snack Rule

Pair complex carbohydrate with lean protein when bedtime hunger persists

Difficulty
Starter
Time to result
~days to results
Steps
4
Confidence
90%

Mah does not present all eating before bed as forbidden. When someone is genuinely hungry, she prefers a small pre-sleep snack to a large fried, fatty, or otherwise heavy meal. Her practical rule for athletes is roughly half complex carbohydrate and half lean protein, with examples including whole-grain cereal and milk, cottage cheese and fruit, whole-wheat crackers and peanut butter, or nuts paired with yogurt and fruit. She says the aim is to choose something slow-digesting that can reduce hunger through the night without the burden of a large meal. She also notes that tomato-based foods can aggravate acid reflux for some individuals, making personal triggers an important constraint rather than a universal prohibition.

Origin

Extracted from The Diary of a CEO

Core principles

  • 01A small snack may be preferable to going to bed hungry
  • 02Favor slow-digesting foods over a large heavy meal
  • 03Pair complex carbohydrate with lean protein
  • 04Individual reflux triggers and tolerances matter

How to run it

  1. 1

    Check the need

    Use the rule when hunger is likely to prevent sleep or wake you later. Do not add a snack automatically when you are not hungry.

  2. 2

    Build the pair

    Combine a complex-carbohydrate food with a lean protein source in a modest portion. Favor whole-grain, fruit, dairy, nut, or similar options that fit your needs.

    Pro tip Keep one simple pairing available for late arrivals.

    Watch out Account for allergies, intolerances, and clinician-provided dietary advice.

  3. 3

    Avoid the heavy alternative

    Skip a large fried, fatty, or very heavy meal immediately before bed when possible. Avoid foods you know aggravate reflux.

    Watch out Mah says sleep-and-nutrition research is still developing, so do not treat every proposed food effect as settled.

  4. 4

    Review your response

    Notice whether the snack settles hunger without causing discomfort or apparent sleep disruption. Adjust the pairing or timing based on that response.

    Watch out Persistent nighttime hunger or reflux may merit professional advice.

In the wild

Cereal and milk after a late return

For someone arriving home hungry near bedtime, Mah suggests whole-grain rather than sugary cereal with milk as an accessible carbohydrate-and-protein pairing. It replaces the much heavier meal the person might otherwise order.

Hunger is addressed with a smaller, simpler snack.

Common mistakes

Eating a full heavy meal

The rule is for a modest snack, not permission to replace it with a large fried or fatty meal immediately before sleep.

Ignoring reflux triggers

Mah specifically qualifies the tomato example as relevant to people whose reflux is aggravated by it.

Is it for you?

Best for

It is best for people arriving home late or becoming hungry several hours after an early dinner.

Not ideal for

It is not individualized medical nutrition advice for people with reflux, diabetes, allergies, or other dietary conditions.

From the transcript

I'm okay with you having a pre-sleep snack

Dr. Cheri Mah · (27:30)

50% of a complex carb and like 50% of a lean protein

Dr. Cheri Mah · (27:30)

From the episode

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