Timeshifter

Get a NASA astronaut's guide to timeshifting and learn how circadian science helps space travelers manage fatigue and stay sharp.

Your circadian rhythm controls when you sleep, perform, and feel your best. See how your body's internal clock shapes every hour of your day — and what happens when it's disrupted.

Chase Bank, United Airlines and Timeshifter team up on the Jet Set & Reset campaign, helping cardholders beat jet lag on every trip.

Official Timeshifter newsroom for the latest announcements. You can also follow us on Twitter @TimeshifterApp

Join Timeshifter and help unlock human performance through circadian science. View open roles at the company behind the world's most downloaded jet lag app.

Most jet lag apps rely on generic advice, myths, or flawed AI — and can make jet lag worse. See how Timeshifter's science-based approach compares and why 96% of users avoid severe jet lag.

Jacob Ravn is the Co-founder and Chief Product Officer lead at Timeshifter. He designed the app experience used by over 1 million travelers and shift workers across 100+ countries.

Michael Lopez-Alegria is a retired NASA astronaut and Timeshifter advisor, with five spaceflights and over 67 hours of spacewalks to his name.

Mickey Beyer-Clausen is the co-founder and CEO of Timeshifter, the world's most downloaded jet lag app, used by over 1 million travelers in 100+ countries.

Meet Timeshifter's founders and executive team.

Learn about Timeshifter's technology platform for controlling human circadian rhythms and Timeshifter's apps for reducing jet lag and managing shift work.

Timeshifter was founded to bring NASA and Harvard circadian science to everyone. Learn how we built the world's most effective jet lag app — and what drives us.

Science-based apps trusted by 1.7M+ users to reduce jet lag, manage shift work, and prepare for peak performance. Concierge service available.

Science-based apps trusted by 1.7M+ users to reduce jet lag, manage shift work, and prepare for peak performance. Concierge service available.

Science-based apps trusted by 1.7M+ users to reduce jet lag, manage shift work, and prepare for peak performance. Concierge service available.

Timeshifter raises new funding in a round led by Skip Capital, bringing its total capital raised to $5.3 million. The company plans to scale its circadian technology across travel, shift work, and healthcare; the article does not state the size of the new round.

Apr 2026 · PR NewswireNews article

Timeshifter says it raised a new funding round led by Skip Capital. The company plans to expand its circadian technology across travel, shift work, and healthcare.

Apr 2026 · TimeshifterNews article

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