Nighttime heat exposure

Nighttime heat exposure has been studied in 1 paper since 2026: 1 observational study in people; 1 in the past year. The newest story, Oct 23, 2026: “Hot nights linked to cardiac arrest hospitalizations in Japan”.

Exposure

1 paper studies it1 findingUpdated

1 new paper in 30 daysSee all 1

“Nighttime heat exposure was associated with increased emergency hospitalizations for OHCA (RR: 1.090 (95% confidence interval (CI): 1.047-1.135).”
Association between nighttime heat exposure and emergency hospitalization for out-of-hospital cardiac arrest: A time-stratified case-crossover study in JapanInternational journal of biometeorology2026doi:10.1007/s00484-026-03342-x
  • 1 lab in 1 country
  • Humans1

What is Nighttime heat exposure linked with?

1

Studies link Nighttime heat exposure with 1 measure, most often emergency hospitalization for out-of-hospital cardiac arrest (1 study).

Emergency hospitalization for out-of-hospital cardiac arrest

upin humans1RR 1.09

1 study
  1. Nighttime heat exposure is associated with emergency hospitalization for out-of-hospital cardiac arrest in humans (RR 1.090, 95% CI 1.047–1.135).

    “Nighttime heat exposure was associated with increased emergency hospitalizations for OHCA (RR: 1.090 (95% confidence interval (CI): 1.047-1.135).”

    HumansJapan; adjusted for daily maximum temperatureMinimum temperature above the region-specific 92.5th percentilelag 0-6 daysn = 135,898

    Hot nights linked to cardiac arrest hospitalizations in Japan

    International journal of biometeorology

Latest

Nov 2025: 0Dec 2025: 0Jan 2026: 0Feb 2026: 0Mar 2026: 0Apr 2026: 0May 2026: 0Jun 2026: 0Jul 2026: 0Aug 2026: 0Sep 2026: 0Oct 2026: 11 paper in 12 months
International Journal of Biometeorology

Hot nights linked to cardiac arrest hospitalizations in Japan

Nighttime heat was associated with a relative risk of 1.090 for emergency hospitalization after cardiac arrest, compared with nights without such heat.Nighttime heat was associated with a relative risk of 1.090 for emergency hospitalization after cardiac arrest, compared with nights without such heat.

Case-control study of 135,898 peoplePopulations