Box Breathing (4-4-4-4) Timer
What it is: inhale 4s → hold 4s → exhale 4s → hold 4s. Calms the nervous system and improves focus. If holds feel uncomfortable, use the “Anxiety (4-4)” preset or reduce counts to 3-3-3-3. Educational use only.
Timer
Shortcuts: Space = play/pause, R = reset.