LOCKIN.
Get first access

The LockIn Blog

#all-nighter

Evidence-first writing on focus, attention and high-stakes work from the LockIn team. No hype, every claim sourced.

· 3 min read

Sleep vs Caffeine Before an Exam: Which Should You Choose?

Should you sleep or stay up with caffeine before an exam? What sleep loss does to memory and attention, what caffeine can and can't fix, and a night-before plan.

Read article →