J Korean Med Sci.  2019 Mar;34(8):e56. 10.3346/jkms.2019.34.e56.

Heart Rate Change While Drowsy Driving

Affiliations
  • 1Division of Cardiology, Department of Internal Medicine, Hallym University Sacred Heart Hospital, Anyang, Korea. sophi5neo@gmail.com
  • 2JCF Technology, Seoul, Korea.
  • 3Electronics and Telecommunications Research Institute, Daejeon, Korea.

Abstract

Heart rate (HR) change during sleepy driving has never been investigated. Healthy volunteers who planned to drive a long distance were recruited and monitored with a 24-hour Holter. Six healthy volunteers were enrolled. Their mean driving time was 297.7 ± 111 minutes. Mean duration of sleepy time while driving was 27 ± 24.5 minutes. Driving HR showed a trend for increment as compared to day time mean HR, from 85 ± 5.6 to 89.8 ± 5.6 beats/min (by 7%) (P = 0.093). Mean HR while sleepy driving significantly decreased to 81.5 ± 9.2 beats/min by 9.3% ± 7.4% (P = 0.046). This pilot study for the first time demonstrated that HR decreased while sleepy driving.

Keyword

Heart Rate; Sleep; Driving

MeSH Terms

Healthy Volunteers
Heart Rate*
Heart*
Pilot Projects
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