Ewa Beldzik
@ewa-beldzik.bsky.social
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📥 29
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Brain. Sleep. Drowsiness. Cognitive neuroscience. Postdoc @ Lewis Lab, MIT. www.lewisneurolab.org
Following a microsleep, arousal-promoting subcortical nuclei come back online in a beautiful sequence, restoring wakefulness and responsiveness. This video captures such a recovery in a drowsy participant performing an attention task. Details:
www.biorxiv.org/content/10.64898/2026.05.26.728061v1
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about 12 hours ago
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What happens when the brain slips into a microsleep? An example from a highly drowsy participant showing a brief loss of responsiveness (at time 0s). Details of the research:
www.biorxiv.org/content/10.6...
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7 days ago
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reposted by
Ewa Beldzik
bioRxiv Neuroscience
11 days ago
A hypothalamic-brainstem activity sequence underlies arousal fluctuations during daytime drowsiness
https://www.biorxiv.org/content/10.64898/2026.05.26.728061v1
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Curious how life adapts to extreme, rapidly changing environments? Lukas Krone is heading to the Arctic with the Oxford Centennial Expedition to study exactly that—and is raising funds to make it happen.
www.gofundme.com/f/oxford-med...
Good luck, Lukas!
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Donate to Oxford Medic on Arctic Svalbard Expedition, organized by Lukas Krone
Hi, my name is Lukas Krone, I am a neuroscientist and medical doctor, and t… Lukas Krone needs your support for Oxford Medic on Arctic Svalbard Expedition
https://www.gofundme.com/f/oxford-medic-on-arctic-svalbard-expedition
2 months ago
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Thrilled to be elected Co-Chair of the Sleep Regulation & Function
#GRS
with
@d-manasova.bsky.social
Can’t wait to shape a great program for early-career sleep scientists 🧠💤 Thanks to
@nataliehauglund.bsky.social
& Raquel for passing the torch! We’ll do our best to carry it forward!🔥
#SleepResearch
3 months ago
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Amazing Gordon Research Conference on Sleep Regulation and Function in Galveston, TX—fantastic people, inspiring talks, and great discussions. Also, a lot of fun beyond the science.
3 months ago
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Our paper on CSF, BOLD, pupil, and physiological measures in sleep deprivation and recovery sleep is finally out! 🎉 Congrats Zinong!
www.nature.com/articles/s41...
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Attentional failures after sleep deprivation are locked to joint neurovascular, pupil and cerebrospinal fluid flow dynamics - Nature Neuroscience
Yang et al. show that moments of failed attention we experience after sleep deprivation reflect brief ‘sleep-like’ episodes in the brain, corresponding to a brain- and body-wide event with altered bra...
https://www.nature.com/articles/s41593-025-02098-8
7 months ago
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Thrilled to have organized and presented at the “Coping with Sleepiness” symposium at
#IOP2025
in Krakow! A fantastic experience sharing the stage with
@d-manasova.bsky.social
,
@jtegelbeckers.bsky.social
and A. Domagalik — insightful talks and great discussions! 🧠💤✨
11 months ago
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Learned so much @
#SLEEP2025
in Seattle. Great talks, fantastic conversations afterwards.
12 months ago
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Great meeting
#cns2025
! Many thanks for organizers
@cogneuronews.bsky.social
. I enjoyed presenting the Data Blitz talk (
www.youtube.com/watch?v=VUku...
), poster, and meeting old and new friends!
about 1 year ago
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reposted by
Ewa Beldzik
Zinong Yang
over 1 year ago
🎉Excited to share our latest work with
@stephaniedwill.bsky.social
@ewa-beldzik.bsky.social
@lauradata.bsky.social
+ others 🥱Why does sleep deprivation have negative effects on behavior? We demonstrate that attentional failures caused by SD are coupled to large-scale brain fluid transport.
add a skeleton here at some point
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reposted by
Ewa Beldzik
bioRxiv Neuroscience
over 1 year ago
Attentional failures after sleep deprivation represent moments of cerebrospinal fluid flow https://www.biorxiv.org/content/10.1101/2024.11.15.623271v1
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Attentional failures after sleep deprivation represent moments of cerebrospinal fluid flow https://www.biorxiv.org/content/10.1101/2024.11.15.623271v1
Sleep deprivation rapidly disrupts cognitive function, and in the long term contributes to neurologi
https://www.biorxiv.org/content/10.1101/2024.11.15.623271v1
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