Uberman

The Uberman sleep schedule is a form of polyphasic sleep characterized by short, regularly spaced naps instead of a single long nocturnal sleep. The most common pattern involves six 20-minute naps distributed roughly every four hours, totaling about two hours of sleep per day. Proponents claim that this schedule frees up waking hours and can improve perceived productivity, though evidence is mainly anecdotal.

Origins and adoption of Uberman have come from sleep enthusiasts and online communities rather than clinical research. It is one of several extreme polyphasic schedules discussed in forums, blogs, and social media, often contrasted with more studied patterns like the Everyman or biphasic schedules. Because there is limited rigorous scientific investigation specific to Uberman, its long-term effects remain uncertain.

Potential benefits cited by supporters include increased waking hours and the sense of heightened alertness during naps. Critics point to significant drawbacks, such as sleep fragmentation, difficulty maintaining regular social or work routines, and possible cognitive and mood impairments due to chronic circadian disruption. There is concern about safety in activities requiring sustained attention, especially during periods of wakefulness between naps.

Medical guidance generally emphasizes the importance of sufficient, regular sleep for health. The Uberman schedule is considered extreme and not suitable for most people, particularly those with demanding jobs, health conditions, or caregiving responsibilities. Anyone considering such a regimen should consult a healthcare professional and weigh potential risks against personal needs.