Stijn A A Massar
Overview
Explore the profile of Stijn A A Massar including associated specialties, affiliations and a list of published articles.
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Articles
34
Citations
528
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Recent Articles
1.
Massar S, Chua X, Leong R, Golkashani H, Pu Z, Ng A, et al.
JAMA Netw Open
. 2024 Oct;
7(10):e2438350.
PMID: 39392631
Importance: Extended work hours and night shifts are essential in health care, but negatively affect physician sleep, well-being, and patient care. Alternative schedules with shorter work hours and/or reduced irregularity...
2.
Ng A, Massar S, Bei B, Chee M
Sleep Med
. 2023 Oct;
112:30-38.
PMID: 37804715
Study Objectives: Consumer sleep trackers issue daily guidance on 'readiness' without clear empirical basis. We investigated how self-rated mood, motivation, and sleepiness (MMS) levels are affected by daily fluctuations in...
3.
Massar S, Ong J, Lau T, Ng B, Chan L, Koek D, et al.
Front Psychol
. 2023 May;
14:1145893.
PMID: 37213365
Objective: Working from home (WFH) has become common place since the Covid-19 pandemic. Early studies observed population-level shifts in sleep patterns (later and longer sleep) and physical activity (reduced PA),...
4.
Lau T, Ong J, Ng B, Chan L, Koek D, Tan C, et al.
Sleep Adv
. 2023 May;
3(1):zpac026.
PMID: 37193398
Study Objectives: To determine the minimum number of nights required to reliably estimate weekly and monthly mean sleep duration and sleep variability measures from a consumer sleep technology (CST) device...
5.
Ong J, Massar S, Lau T, Ng B, Chan L, Koek D, et al.
Sleep
. 2022 Dec;
46(5).
PMID: 36546351
Study Objectives: We evaluated the efficacy of a digitally delivered, small and scalable incentive-based intervention program on sleep and wellbeing in short-sleeping, working adults. Methods: A 22-week, parallel-group, randomized-controlled trial...
6.
Pu Z, Leong R, Chee M, Massar S
Sleep Health
. 2022 Oct;
8(6):640-647.
PMID: 36272919
Objectives: Bedtime procrastination (BTP) refers to the tendency to delay sleep beyond an intended bedtime, in favor of continuing evening activities. BTP has been associated with negative sleep outcomes (later...
7.
Chen C, Long R, Pu Z, Massar S
Psychophysiology
. 2022 May;
59(11):e14083.
PMID: 35575264
The motivation to avoid losses is often considered a strong drive of human behavior, affecting decisions in the context of risk, temporal delay, and effort provision. However, studies measuring cognitive...
8.
Teng J, Massar S, Lim J
Sci Rep
. 2022 Feb;
12(1):2396.
PMID: 35165343
We conducted a study to understand how dynamic functional brain connectivity contributes to the moderating effect of trait mindfulness on the stress response. 40 male participants provided subjective reports of...
9.
Massar S, Ng A, Soon C, Ong J, Chua X, Chee N, et al.
Sleep
. 2021 Oct;
45(1).
PMID: 34636396
Study Objectives: COVID-19 lockdowns drastically affected sleep, physical activity, and wellbeing. We studied how these behaviors evolved during reopening the possible contributions of continued working from home and smartphone usage....
10.
Massar S, Chua X, Soon C, Ng A, Ong J, Chee N, et al.
NPJ Digit Med
. 2021 Jun;
4(1):90.
PMID: 34079043
Using polysomnography over multiple weeks to characterize an individual's habitual sleep behavior while accurate, is difficult to upscale. As an alternative, we integrated sleep measurements from a consumer sleep-tracker, smartphone-based...