Results 121 to 130 of about 309 (198)

Is sleep affected after microgravity and hypergravity exposure? A pilot study

Journal of Sleep Research, Volume 34, Issue 2, April 2025.
Summary Sleep is known to be affected in space travel and in residents of the international space station. But little is known about the direct effects of gravity changes on sleep, if other factors, such as sleep conditions, are kept constant. Here, as a first exploration, we investigated sleep before and after exposure to short bouts of microgravity ...
Barbara Le Roy, Aurore Jouvencel, Anika Friedl‐Werner, Ludmila Renel, Youcef Cherchali, Raouf Osseiran, Ernesto Sanz‐Arigita, Jean‐René Cazalets, Etienne Guillaud, Ellemarije Altena   +9 more
wiley   +1 more source

An accelerating wind tunnel for testing untethered bodies in transverse gusts. [PDF]

Exp Fluids
Viola IM, Potnis A, Bhattacharyya S, Williams EJ, Halley D, Murphy D.   +5 more
europepmc   +1 more source

SPTV sheds light on flow dynamics of fractal-induced turbulence over a plate-fin array forced convection. [PDF]

Sci Rep, 2022
Hoi SM, Ooi EH, Chew IML, Foo JJ.
europepmc   +1 more source

Sleep Health of Athletes of Different Sports: Translation and Validation of the Athlete Sleep Screening Questionnaire to Portuguese

Journal of Sleep Research, EarlyView.
ABSTRACT This study aimed to translate and validate the Athlete Sleep Screening Questionnaire (ASSQ) into Portuguese and assess the sleep health of athletes using the ASSQ. Translation followed established scientific guidelines. A sample of 246 Portuguese athletes from various sports completed the ASSQ, the Pittsburgh Sleep Quality Index (PSQI) and the
João Barreira, Júlio A. Costa, João Brito, Vasco Cardoso, Cátia Reis   +4 more
wiley   +1 more source

Partially-covered fractal induced turbulence on fins thermal dissipation. [PDF]

Sci Rep, 2022
Chew SH, Hoi SM, Tran MV, Foo JJ.
europepmc   +1 more source

Subjective Sleep Timing and Social Jet Lag Relate to Neural Activation During Reward Feedback in Adolescence

Journal of Sleep Research, EarlyView.
ABSTRACT During adolescence, circadian phase delay yields later sleep timing and greater social jetlag (SJL), coinciding with heightened reward‐circuit reactivity as subcortical systems mature before prefrontal control. Evidence linking sleep timing to reward‐related neural activation in youth is limited.
Alyssa J. Parker, Jillian Lee Wiggins, Surabhi Bhutani   +2 more
wiley   +1 more source

Spontaneous snapping-induced jet flows for fast, maneuverable surface and underwater soft flapping swimmer. [PDF]

Sci Adv
Qing H, Guo J, Zhu Y, Chi Y, Hong Y, Quinn D, Dong H, Yin J.   +7 more
europepmc   +1 more source

How Mental Concepts Shape Sleep: Introducing the Mental Concept Reactivation Hypothesis of Sleep

Journal of Sleep Research, EarlyView.
ABSTRACT Sleep problems affect a substantial proportion of individuals, and negative thoughts, rumination, and worry are considered key factors underlying persistence and severity. While extensive research has examined how these states disrupt sleep before falling asleep, much less is known about how mental concepts, including thoughts, expectations ...
Anna Zoé Wick, Björn Rasch
wiley   +1 more source

Investigation of unswept ramp system with lobe shape nozzle for fuel mixing of hydrogen jet at a scramjet engine. [PDF]

Sci Rep
Omar I, El-Sharkawy MR, Ahmed M, Singh PK, Rajab H, Ali R, Ali NB, Rajhi W, Said LB, Abodollahi SA.   +9 more
europepmc   +1 more source

Predictive model of bulk drag coefficient for a nature-based structure exposed to currents. [PDF]

Sci Rep, 2021
Gijón Mancheño A, Jansen W, Winterwerp JC, Uijttewaal WSJ.   +3 more
europepmc   +1 more source