When viewing this topic in a different language, you may notice some differences in the way the content is structured, but it still reflects the latest evidence-based guidance.

Síndrome de jet lag e das fases do sono

Last reviewed: 13 Sep 2025
Last updated: 21 May 2024

Summary

Definition

History and exam

Key diagnostic factors

  • história de viagem de avião através de pelo menos 2 fusos horários
  • dificuldade em iniciar ou manter o sono
  • redução do tempo total de sono
  • sonolência diurna
  • estado de alerta reduzido durante o dia
Full details

Other diagnostic factors

  • náuseas, distensão abdominal, constipação
  • mal-estar generalizado
  • cãibras musculares
Full details

Risk factors

  • múltiplos fusos horários percorridos e rapidez da viagem
  • privação de sono
  • suscetibilidade individual a mudanças de fuso horário
  • consumo excessivo de cafeína ou de bebidas alcoólicas
  • estresse
Full details

Diagnostic investigations

1st investigations to order

  • nenhum exame inicial
Full details

Treatment algorithm

ACUTE

permanência curta no novo fuso horário (≤2 dias)

permanência longa no novo fuso horário (>2 dias)

Contributors

Authors

Ashish Adlakha, MD

Assistant Clinical Professor

Neurology and Sleep Medicine

UConn School of Medicine VA

Connecticut Healthcare

West Haven

CT

Disclosures

AA declares that he has no competing interests.

Acknowledgements

Dr Ashish Adlakha would like to gratefully acknowledge Dr Sudhansu Chokroverty, a previous contributor to this topic.

Disclosures

SC declares that he has no competing interests.

Peer reviewers

David N. Neubauer, MD

Associate Director

Johns Hopkins Sleep Disorders Center

Baltimore

MD

Disclosures

DNN has received consulting fees and honoraria for speaking programs from Sanofi-Aventis and Takeda Pharmaceuticals. These companies manufacture medications mentioned in this topic.

Peer reviewer acknowledgements

BMJ Best Practice topics are updated on a rolling basis in line with developments in evidence and guidance. The peer reviewers listed here have reviewed the content at least once during the history of the topic.

Disclosures

Peer reviewer affiliations and disclosures pertain to the time of the review.

References

Our in-house evidence and editorial teams collaborate with international expert contributors and peer reviewers to ensure that we provide access to the most clinically relevant information possible.

Key articles

American Academy of Sleep Medicine. The International Classification of Sleep Disorders: Diagnostic and Coding Manual (ICSD-3). 3rd ed. Westchester, IL: American Academy of Sleep Medicine; 2023.

Morgenthaler TI, Lee-Chiong T, Alessi C, et al. Practice parameters for the clinical evaluation and treatment of circadian rhythm sleep disorders. Sleep. 2007 Nov;30(11):1445-59.Full text  Abstract

Centers for Disease Control and Prevention. CDC Yellow Book 2024: health information for international travel. travelers' health - jet lag. May 2023 [internet publication].Full text

Herxheimer A, Petrie KJ. Melatonin for the prevention and treatment of jet lag. Cochrane Database Syst Rev. 2002;(2):CD001520.Full text  Abstract

Reference articles

A full list of sources referenced in this topic is available to users with access to all of BMJ Best Practice.
  • Differentials

    • Fadiga relacionada à viagem
    • Distúrbio de insônia de curta duração
    • Distúrbio de insônia crônica
    More Differentials
  • Diretrizes

    • International classification of sleep disorders, 3rd edition, text revision (ICSD-3-TR)
    • CDC Yellow Book: health information for international travel - jet lag
    More Diretrizes
  • Folhetos informativos para os pacientes

    Jet lag em adultos

    Mais Folhetos informativos para os pacientes
  • padlock-lockedConectar-se ou assinar para acessar todo o BMJ Best Practice

O uso deste conteúdo está sujeito ao nosso aviso legal