Abstract
Objectives: While sleep has been found to be important for optimal decision-making ability, and adolescents around the world were noted to have insufficient sleep, we aimed to investigate how sleep influenced risk-related decision-making among adolescents.
Methods: Thirty-two healthy adolescents (age 17 to 18, 9 male) wore an actigraph-watch for 5 days before and 1 day after two sessions of cognitive assessment (including psychomotor vigilance and risky decision-making assessment), separated by either a polysomnography-monitored sleep opportunity (nap, n = 18) or wakefulness. The number and reaction time (RT) in risky and safe choices in the
decision-making task and RT in the psychomotor vigilance task (PVT) were the major outcome variables.
Results: The sample had an average of 6.95 h of TST, 11.96 minutes of SOL and 96.3% SE for the 5 nights before the testing sessions and the groups were comparable on measures of sleep, pre-condition risk-related decision-making and vigilance (ps>0.05). Yet, across sessions, while the nap-group had reduced RT in the PVT, the wake-group instead had increased RT, F(1,30)=6.306, P = 0.033. While the nap-group had increased RT when selecting risky decision in the decision-making task, the wake-group had decreased RT, F(1,30)=6.533, P = 0.018.
Conclusions: The data showed that adolescents become less vigilant but faster in making risky decisions throughout the day. Yet, such tendency was reversed by a daytime sleep opportunity. Given that adolescents faced decisions involving risks in various degrees, the importance of sleep should be emphasized in this age group.
Disclosure: Nothing to disclose. Copyright © 2016 The Authors.
Methods: Thirty-two healthy adolescents (age 17 to 18, 9 male) wore an actigraph-watch for 5 days before and 1 day after two sessions of cognitive assessment (including psychomotor vigilance and risky decision-making assessment), separated by either a polysomnography-monitored sleep opportunity (nap, n = 18) or wakefulness. The number and reaction time (RT) in risky and safe choices in the
decision-making task and RT in the psychomotor vigilance task (PVT) were the major outcome variables.
Results: The sample had an average of 6.95 h of TST, 11.96 minutes of SOL and 96.3% SE for the 5 nights before the testing sessions and the groups were comparable on measures of sleep, pre-condition risk-related decision-making and vigilance (ps>0.05). Yet, across sessions, while the nap-group had reduced RT in the PVT, the wake-group instead had increased RT, F(1,30)=6.306, P = 0.033. While the nap-group had increased RT when selecting risky decision in the decision-making task, the wake-group had decreased RT, F(1,30)=6.533, P = 0.018.
Conclusions: The data showed that adolescents become less vigilant but faster in making risky decisions throughout the day. Yet, such tendency was reversed by a daytime sleep opportunity. Given that adolescents faced decisions involving risks in various degrees, the importance of sleep should be emphasized in this age group.
Disclosure: Nothing to disclose. Copyright © 2016 The Authors.
| Original language | English |
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| Publication status | Published - Sept 2016 |
| Event | 23rd Congress of the European Sleep Research Society - Bologna, Italy Duration: 13 Sept 2016 → 16 Sept 2016 https://esrs.eu/event/23rd-esrs-congress/ |
Conference
| Conference | 23rd Congress of the European Sleep Research Society |
|---|---|
| Country/Territory | Italy |
| City | Bologna |
| Period | 13/09/16 → 16/09/16 |
| Internet address |