The most effective things to think about when trying to fall asleep share one quality: they occupy your mind just enough to block out worries but not enough to keep you alert. Engaging, low-stakes mental imagery works best. A study at Oxford University found that people with insomnia who pictured relaxing scenes fell asleep more than 20 minutes earlier than usual, while those who tried simpler distractions like counting sheep actually took longer to fall asleep than normal.
The reason is straightforward. The pre-sleep thoughts of people who struggle to fall asleep tend to focus on worries, problems, and noises in the environment, while good sleepers report thinking about “nothing in particular.” The goal isn’t to force your mind blank. It’s to gently replace problem-solving thoughts with something pleasant and absorbing.
Visualize a Calm, Detailed Scene
The single most studied approach is imagining a peaceful place in rich sensory detail. Picture yourself floating down a river in a canoe at sunset, walking through a quiet forest, or sitting on a warm beach watching the tide come in. The key is to build the scene slowly and engage all your senses. What does the air feel like on your skin? What sounds surround you? What colors do you see?
This works better than verbal thinking (like mentally rehearsing tomorrow’s schedule) because imagery activates different parts of the brain. When researchers had people process stressful information as mental pictures rather than verbal thoughts, the imagery group reported less anxiety and more comfort. Vivid scenes essentially take up the mental workspace that worries would otherwise fill, without generating the kind of alert, analytical thinking that keeps you awake.
Pick a scene you find genuinely soothing. A cozy cabin in the mountains, a childhood spot you loved, a warm ocean where you’re floating weightlessly. The more personal and detailed, the better. Return to the same scene each night if you want. Over time, your brain starts to associate that mental place with falling asleep.
The Cognitive Shuffle
If holding a single scene in your mind feels too hard or your thoughts keep drifting back to stress, try a technique called cognitive shuffling. The idea is to rapidly cycle through random, unrelated mental images every 5 to 15 seconds. Picture a dog, then a birthday cake, then a canoe, then a pair of sunglasses, then a snowy hill. The images should have no logical connection to each other.
This works because it mimics what your brain naturally does as it falls asleep. In the moments before sleep, your thoughts become fragmented and stop making narrative sense. By deliberately producing a stream of unrelated images, you’re sending a signal to your brain’s sleep system that it’s safe to keep progressing toward sleep. The random jumping also makes it nearly impossible to sustain a worry, because you’re constantly switching topics before any anxious thread can develop.
One easy version: pick a random word like “garden,” then for each letter, imagine several unrelated things that start with that letter. For G, you might picture a giraffe, a guitar, a glass of water. Then move to A: an airplane, an apricot, an armchair. You’ll rarely make it past the third or fourth letter.
The Alphabet Category Game
Choose a category you know reasonably well, like animals, cities, or foods. Start with the letter A and think of one example. Then B, then C, working your way through the alphabet. Animals might go: antelope, bear, cheetah, dolphin. Give yourself permission to skip difficult letters like Q, X, and Z rather than getting stuck. You can even decide on standard answers for tricky letters ahead of time (quail for Q, for instance) so you don’t strain when you’re tired.
If you find yourself drifting back to worries, gently return to the last letter you remember and keep going. If you’ve lost your place entirely, just restart from A. The restart itself helps refocus your attention. For nights when your mind is especially active, try thinking of two or three examples per letter to increase the mental load.
This technique hits the sweet spot of being engaging enough to hold your attention but repetitive and low-stakes enough that it doesn’t generate arousal. Most people don’t make it to Z.
Body-Focused Relaxation Phrases
Instead of imagining external scenes, you can direct your thoughts inward. A technique called autogenic training uses a series of mental phrases focused on physical sensations of relaxation. You silently tell yourself your body feels heavy and warm, working through six areas: the weight of your muscles, warmth in your arms and legs, awareness of your heartbeat, the slowing of your breath, softness in your belly, and coolness across your forehead.
A simpler version, sometimes called the military sleep method, follows the same principle. Start at your forehead and work down to your toes, checking in with each body part. Is your jaw clenched? Let it soften. Are your shoulders scrunched up? Release them. Is your belly tight? Let it rise and fall naturally. Are your toes pointing up? Let your feet flop to the sides. Pair this with long inhales and even longer exhales.
Then layer in a visualization. Picture yourself floating in a canoe on a still river, or lying on a hilltop watching clouds, or resting in a hammock. The combination of physical relaxation and gentle imagery is what makes this approach effective. The original version of this technique, developed for military pilots, claimed a success rate within two minutes after six weeks of practice.
Try Telling Yourself to Stay Awake
This one sounds counterintuitive, but it has solid clinical backing. Instead of thinking about falling asleep, lie comfortably with the lights off and keep your eyes open. Your only goal is to stay awake. Don’t do anything active to keep yourself up. Don’t move around or think about stimulating topics. Just gently resist the urge to let your eyelids close.
When your eyes feel heavy, tell yourself: “Just stay awake for another couple of minutes. I’ll fall asleep naturally when I’m ready.” The technique works by removing the one thing that makes insomnia worse: the pressure to fall asleep. That pressure creates anxiety, which creates alertness, which makes sleep harder, which creates more anxiety. By giving up the effort to sleep entirely and shifting your focus to staying awake, you break the cycle. Sleep tends to arrive on its own once the performance pressure is gone.
What Doesn’t Work
Counting sheep is the classic recommendation, but it’s too boring to hold your attention. The Oxford study found it actually backfired, with participants taking longer to fall asleep than on a normal night. The problem is that counting is so monotonous your mind wanders right back to whatever was keeping you up.
Trying to think of nothing also tends to fail. Thought suppression is famously unreliable. Telling yourself not to think about something almost guarantees you’ll think about it more. The goal isn’t an empty mind. It’s a gently occupied one.
Mentally rehearsing tomorrow’s tasks, replaying conversations, or problem-solving are the worst things to think about. They engage the analytical, planning-oriented parts of your brain, which is the opposite of what happens during natural sleep onset. If you catch yourself doing this, don’t fight the thoughts directly. Just redirect to one of the techniques above. The redirection is what works, not the resistance.
Picking the Right Technique for You
If your main problem is racing thoughts or worry, the cognitive shuffle or alphabet game tends to work well because they fully occupy your verbal mind. If your issue is more physical tension or restlessness, start with the body-focused relaxation approach. If you feel desperate or pressured about sleep itself, the paradoxical “try to stay awake” method directly targets that frustration.
Whichever approach you choose, consistency matters. These techniques get more effective with repetition because your brain begins associating them with sleep onset. Give any single method at least a week of nightly practice before deciding it doesn’t work for you. And if one approach stops working after a while, rotate to another. Your brain can habituate to any single routine, but having two or three options in your mental toolkit keeps things effective long-term.