A pilot study investigating the impact of a caffeine-nap on alertness during a simulated night shift.
Coffee
fatigue countermeasure
napping
shiftwork
sleep inertia
Journal
Chronobiology international
ISSN: 1525-6073
Titre abrégé: Chronobiol Int
Pays: England
ID NLM: 8501362
Informations de publication
Date de publication:
Historique:
pubmed:
21
8
2020
medline:
29
7
2021
entrez:
22
8
2020
Statut:
ppublish
Résumé
Consuming coffee immediately prior to a nap, known as a caffeine-nap, has been shown to improve alertness during the day, but it is unknown whether a caffeine-nap is effective at reducing sleep inertia during the night. A simulated shiftwork cross-over laboratory study was conducted whereby participants (N = 6, 4 F, 21-36y) consumed 200 mg of caffeine, or decaffeinated coffee (placebo), immediately prior to a 30 min nap opportunity at 03:30 h. Compared to placebo, the caffeine-nap resulted in improved vigilant attention and subjective fatigue in the 45 min post-nap opportunity. The caffeine-nap may be useful in reducing sleep inertia in shift workers who nap on nightshift.
Identifiants
pubmed: 32819191
doi: 10.1080/07420528.2020.1804922
doi:
Substances chimiques
Caffeine
3G6A5W338E
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM