Uncertain call likelihood negatively affects sleep and next-day cognitive performance while on-call in a laboratory environment

Chronobiology International
Madeline SprajcerSally A Ferguson

Abstract

On-call working arrangements are employed in a number of industries to manage unpredictable events, and often involve tasks that are safety- or time-critical. This study investigated the effects of call likelihood during an overnight on-call shift on self-reported pre-bed anxiety, sleep and next-day cognitive performance. A four-night laboratory-based protocol was employed, with an adaptation, a control and two counterbalanced on-call nights. On one on-call night, participants were instructed that they would definitely be called during the night, while on the other on-call night they were told they may be called. The State-Trait Anxiety Inventory form x-1 was used to investigate pre-bed anxiety, and sleep was assessed using polysomnography and power spectral analysis of the sleep electroencephalographic analysis. Cognitive performance was assessed four times daily using a 10-min psychomotor vigilance task. Participants felt more anxious before bed when they were definitely going to be called, compared with the control and maybe conditions. Conversely, participants experienced significantly less non-rapid eye movement and stage two sleep and poorer cognitive performance when told they may be called. Further, participants had sig...Continue Reading

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Citations

Apr 24, 2018·Journal of Sleep Research·Madeline SprajcerSally A Ferguson
Feb 29, 2020·Behavioral Sleep Medicine·Grace E VincentSally A Ferguson
Jun 5, 2020·Journal of Sleep Research·Michelle DominiakGrace E Vincent
Oct 4, 2019·Psychology, Health & Medicine·Jae Jun LeeSung-In Jang
Jul 20, 2018·Chronobiology International·Gregory D RoachFrida Marina Fischer
Nov 18, 2020·Clocks & Sleep·Madeline SprajcerSally A Ferguson
Oct 23, 2020·Clocks & Sleep·Grace E VincentSally A Ferguson
Feb 10, 2021·Clocks & Sleep·Grace E VincentSally A Ferguson
Oct 26, 2021·Occupational Medicine·R LeccaP Cocco

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