Using a simple red party light in the evening, instead of normal artificial lights, is known to reduce cortisol levels and can help you wind down for sleep.

The paper claiming MDMA was neurotoxic was retracted, and studies on specific populations suggest it does not cause detectable neurotoxicity in appropriate doses.

Viewing bright light before your body's temperature minimum (about two hours before your usual wake-up time) delays your internal clock, while viewing it after advances your clock.

Focusing on things up close increases your mental 'frame rate,' making time feel slower, while panoramic vision slows your frame rate down.

Deliberately doing difficult things grows the anterior mid-cingulate cortex, a brain region associated with the will to push through challenges.

Believing that stress can be performance-enhancing, based on factual information, can actually make it so.

For tasks requiring fine motor control, tapping your foot can help dispel excess anticipatory energy from the basal ganglia and improve focus.

Using a sauna or hot bath before bed heats the surface of your body, which forces your brain to cool your core body temperature and helps you fall asleep.

MDMA appears to help resolve trauma by fostering self-empathy, which short-circuits the nervous system's confusion about responsibility for the traumatic event.