Peer-reviewed research on the cognitive skills and recovery practices that shape sustainable work: what holds up, what is still emerging, and where the hype runs ahead of the evidence.
3 briefs · newest research first
In a small, highly specific sleep-deprivation experiment, a high single creatine dose partially reduced fatigue-related cognitive deterioration; it is not a general-use protocol.
Caveat. The trial used 0.35 g/kg in 15 young adults during 21 hours awake—far outside ordinary daily use.
Breathwork was associated with lower self-reported stress in randomized trials, but study quality and heterogeneity make it a promising regulation tool—not a performance cure.
Caveat. Most included studies had moderate risk of bias, and the primary outcomes were subjective.
Micro-breaks under ten minutes reliably reduce fatigue and increase vigor, but they do not reliably improve demanding-task performance on their own.
Caveat. Shorter is not automatically better; performance benefits increased as breaks became longer.
New briefs, honest revisions, and the occasional finding that makes a popular performance claim less certain.