How to Find What Is Wrecking Your Sleep in Two Weeks
Updated: 1 day ago
When sleep goes wrong, the explanations arrive fast. Stress. Getting older. The mattress. The neighbor's dog. Some of them are even right. The problem is that a bad night feels like a single event, and single events do not reveal their causes. Patterns do. This is a method for finding the pattern in two weeks, with nothing more than a text message each morning.
Why guessing fails
Memory is terrible at this. You remember the worst night of the month and the one great night, and the eleven ordinary ones blur. You also remember the explanation you reached for at 3am, which is usually the most dramatic one available rather than the most likely.
The national data says the quiet causes are common. In our analysis of the CDC's sleep survey, one in four adults reported feeling overly sleepy in the daytime on five or more days a month, and the people sleeping six to seven hours were almost as sleepy as the people sleeping under six, even though most of them would not say they have a sleep problem. The gap between "enough hours" and "slept well" is where the culprits live.
The method
Every morning, as early as you can, record three things: how the night felt from 1 to 10, roughly how many hours, and one factor if anything stood out. "Late coffee." "Argument." "Hot room." "Phone until 1." Keep it to a few words.
Do this before the day has a chance to color it. A rough morning after a decent night will get scored as a rough night by lunchtime.
Do not change anything for the first week. You are measuring, not fixing. If you fix as you go, you will not know what the fix did.
After seven days, look at the nights you scored 4 or below as a group and read their factors side by side. Ignore the good nights for now.
In week two, change the one thing that shows up most, and only that thing. Keep logging.
Doing it by text
The hard part of any log is remembering to keep it, which is why Sleep Textapp sends the question instead of waiting for you to open something. Text Hi to its number and each morning it asks: how did you sleep? You answer with a number, the hours and your factor in one message. A small model pulls out the quality, the hours and the factor and files them; you never have to format anything.
When you ask for your patterns, it reads the two weeks for you: your average quality and hours, your weekends against your weekdays, and, the useful line, what your rough nights mention. If "late coffee" appears on four of your five worst nights, that is your answer, and it is an answer you would probably not have reached by guessing.
The usual suspects, in the order people find them
Across people who keep a log like this, a few factors come up far more than the rest:
Caffeine after lunch. In the one controlled study that measured it, caffeine taken six hours before bed cost people more than an hour of sleep, and they did not notice (Drake et al., 2013).
An inconsistent wake time, especially a late weekend one. The CDC's survey data shows a third of adults waking two hours or more later on weekends; that is a small weekly jet lag.
Alcohol in the evening, which makes falling asleep easier and the second half of the night worse.
A warm or bright room, and a screen in bed.
Stress with a name: a deadline, a person, money. Logging it as a factor does not fix it, but it stops you blaming the mattress.
Your list will be shorter than this, and more specific. That is the point.
When two weeks is not enough
If the rough nights do not cluster around anything, or they cluster around something you cannot change, the record is still worth keeping, because a doctor's first question about sleep is "how long, how often, and what have you noticed." Loud snoring, gasping in the night, or sleepiness that makes driving risky are worth raising promptly. Sleep Textapp gives general sleep-hygiene tips if you ask, and nothing medical.
Try it by text
Text Hi to (831) 999-2553 to start Sleep Textapp. Each morning it asks how you slept; you reply with a number, your hours and a factor, in your own words. Ask for your patterns after a week or two. It works on any phone that can text, with nothing to install.
Your first 20 messages are free. After that, one $9.99 a month subscription covers every Textapp. Text STOP at any time to end it.
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