? Go for a walk. Walking is what our ancestors did, to go into "finding" modus. Find a route to water, find prey, find adversaries to find you and find out. Or at least find the way home. All senses get stimulated, a moving mind in a moving body. The great outdoors, fresh air, i shite being Scottish. If you have a problem you need to solve, but don't know how, just walk up to a overview point and look down on the pro…
On a walk, you can still carry and even use a phone, listen to a podcast or music, or have a conversation. When you're doing a workout, you might wear a watch, but otherwise it's a time when you can't really get distracted or interrupted by anything, you just move, observe, and think.