Focus and Environment
Well-rested individuals can maintain laser-like focus for about 90 minutes to 2 hours before needing a break. Behavioral tools should be prioritized over pharmacology when seeking to enhance concentration. The placement of screens can significantly affect alertness, with eye-level positioning being optimal. Additionally, working in compact spaces or wearing hats can enhance focus, while high ceilings may inspire creativity.In this clip
From this podcast

Lex Fridman Podcast
Andrew Huberman: Focus, Stress, Relationships, and Friendship | Lex Fridman Podcast #277
Related Questions
How does narrowing visual attention affect alertness and arousal according to Andrew Huberman in the episode Focus Toolkit: Tools to Improve Your Focus & Concentration | Huberman Lab Podcast #88 and the clip Improve Focus?
How does narrowing visual attention affect alertness and arousal according to Andrew Huberman in the episode Focus Toolkit: Tools to Improve Your Focus & Concentration | Huberman Lab Podcast #88 and the clip Visual Focus and Cognitive Focus?
How does narrowing visual attention affect alertness and arousal according to Andrew Huberman in the episode Focus Toolkit: Tools to Improve Your Focus & Concentration | Huberman Lab Podcast #88 and the clip Visual Focus and Cognitive Focus?