Set 3 daily goals the night before
Resisting temptation may leave less willpower for hard tasks, though later studies found this effect is smaller than first thought.
Lights off, head on the pillow, and tomorrow starts replaying: the email you owe, the call you keep moving, the form due Friday. Studies suggest that writing a short, specific list before bed gives those thoughts somewhere to land. This habit takes about five minutes and a notepad on your nightstand.
What it helps with
Decision fatigue
Resisting temptation may leave less willpower for hard tasks, though later studies found this effect is smaller than first thought.
Mental fatigue at work
In one study, people who had to resist treats gave up on a hard puzzle after about 8 minutes, versus 21 minutes for those who didn't.
Key facts
- 1In experiments with students, making a specific plan for an unfinished goal reduced intrusive thoughts about it and its drag on unrelated tasks.
- 2In a sleep lab study, young adults who wrote a to-do list before bed fell asleep about nine minutes faster than those listing completed tasks.
- 3In that sleep study, more specific to-do lists were linked to falling asleep faster.
- 4A review of 94 studies found that if-then plans had a medium-to-large effect on reaching goals.
- 5A replication across 23 labs found close to no evidence that self-control runs out after one demanding task.
Why tomorrow keeps you awake
Unfinished tasks tend to stay on your mind, popping up when you would rather think about something else. A long, open-ended list keeps many of those loose ends active at once. Choosing a few clear goals the night before tells you what tomorrow is for. Everything else can wait its turn.
It also moves a decision out of your morning. You can sit down and begin, without scanning your inbox to work out what matters. An old productivity tip called the Ivy Lee method uses the same idea with six tasks written each evening. This version keeps the list shorter, so it fits on a sticky note and a tired mind.
How a plan lets a task rest
Your mind seems to treat a specific plan as a promise it can rely on. Once you have written what you will do and when, the task appears to pull at your attention less. Researchers call one form of this an implementation intention, which is a plan in the form "when X happens, I will do Y." Plans like that make it more likely you act when the moment arrives.
Specific works better than vague. "Draft the budget email at 9:00" is something you can set down for the night, while "deal with work stuff" leaves the loose end wide open. The studies don't point to an ideal number of goals. A short list has a practical advantage: you can usually finish it, which makes tomorrow's list easier to trust. Three leaves room for meetings and surprises, and on a packed day one is plenty.
What the studies found
In a series of experiments, Masicampo and Baumeister asked students to think about an important goal they had not yet met. Those students had more intrusive thoughts about it and did worse on an unrelated reading task. When students made a specific plan for the goal, those effects largely disappeared, even though the goal itself was still unfinished.
In a sleep lab study, Scullin and colleagues had 57 young adults write for five minutes before bed. People who wrote a to-do list for the coming days fell asleep about nine minutes faster than people who wrote about tasks they had already finished. The more specific the to-do list, the faster they tended to fall asleep. Separately, a review of 94 studies found that if-then plans had a medium-to-large effect on reaching goals.
These studies have limits. Most involved students or young adults, and the sleep study was small and measured a single night. An older idea behind planning advice, that self-control runs out like fuel, has also weakened after a replication across 23 labs found close to no effect. So the benefit seems to come from the plan itself, with no need to ration your willpower.
Fitting it into your evening
Tie the habit to something you already do each night, like getting into bed. If you get into bed at 10:30 p.m., your list is done by 10:35 and the notepad goes back on the nightstand. Use paper so you don't need your phone, which has a way of turning five minutes into forty. Put the most important goal first, with a starting time.
On a bad day, write just one goal. One clear priority still gives tomorrow a starting point and closes the loop for tonight. If a goal keeps sliding from day to day, break it into a first step you could finish in under an hour. However the day went, it ends with a short, specific list before bed, and you become someone who goes to sleep with tomorrow already decided. If you often lie awake for weeks at a time, talk to a doctor, since ongoing insomnia has effective treatments a list can't replace. Where in your bedroom could a notepad live so you see it every night?
Action steps
- 1Write down 3 goals for tomorrow when you get into bed. Spend about five minutes with a notepad on your nightstand, naming what matters most tomorrow.
- 2Make each goal specific. Write what you will do and when you will start, like "Draft the report intro at 9:00."
- 3Start the day with your first goal. Work on it in your first block of the morning, before checking email or messages if you can.
Suggested routines
- Phone distractions
Check notifications only 3 times a day
People felt less distracted in a week with phone alerts silenced and the phone out of sight than in a week with alerts on.
- Reaching your goals
Write down 3 daily achievements
Tracking your progress toward a goal makes you more likely to reach it, especially when you write it down or share it.
- Not reaching your goals
Track 1 specific number daily
Tracking your progress toward a goal makes you more likely to reach it.
References
- Masicampo, E. J., & Baumeister, R. F. (2011). Consider it done! Plan making can eliminate the cognitive effects of unfulfilled goals. Journal of Personality and Social Psychology, 101(4), 667-683. doi.org/10.1037/a0024192
- Scullin, M. K., et al. (2018). The effects of bedtime writing on difficulty falling asleep: A polysomnographic study comparing to-do lists and completed activity lists. Journal of Experimental Psychology: General, 147(1), 139-146. doi.org/10.1037/xge0000374
- Gollwitzer, P. M., & Sheeran, P. (2006). Implementation intentions and goal achievement: A meta-analysis of effects and processes. Advances in Experimental Social Psychology, 38, 69-119. doi.org/10.1016/S0065-2601(06)38002-1
- Hagger, M. S., et al. (2016). A multilab preregistered replication of the ego-depletion effect. Perspectives on Psychological Science, 11(4), 546-573. doi.org/10.1177/1745691616652873

