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← A nap of about 20 minutes brings gains in alertness and concentration without the grogginess of sleep inertia.
17 connected korrents · 12 moments from 27 May 2023 to 12 Sept 2026.
Everything filed under dementia
dementia
Everything filed under epidemiology
epidemiology
Everything filed under health and fitness
health and fitness
Everything filed under Polyvagal theory
Polyvagal theory Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Read this korrent: A nap of about 20 minutes brings gains in alertness and concentration without the grogginess of sleep inertia. A nap of about 20 minutes brings gains in alertness and concentration without the grogginess of sleep inertia. Last stated 2 years ago
17 Apr 2024
MW
Matthew Walker — holds since 2024-04-17 — tap for who they are
Same subject: Short naps of under one ultradian cycle can be very beneficial for many people, but nobody has to take them. — tap to centre the map on it Short naps of under one ultradian cycle can be very beneficial for many people, but nobody has to take them. Last stated 2 years ago
21 Nov 2024
AH
Andrew Huberman — holds since 2024-11-21 — tap for who they are
Same subject: Caffeine in the hours before bed can cut deep sleep by as much as 20 percent even in people who feel they sleep fine. — tap to centre the map on it Caffeine in the hours before bed can cut deep sleep by as much as 20 percent even in people who feel they sleep fine. Last stated 2 years ago
17 Apr 2024
MW
Matthew Walker — holds since 2024-04-17 — tap for who they are
Same subject: If you sleep well at night and feel refreshed by day, there is no need to force yourself to nap. — tap to centre the map on it If you sleep well at night and feel refreshed by day, there is no need to force yourself to nap. Last stated 2 years ago
17 Apr 2024
MW
Matthew Walker — holds since 2024-04-17 — tap for who they are
Same subject: A single bad night of sleep does little harm; sleep is cumulative, and sleeping long at the weekend does not repay a week of poor sleep. — tap to centre the map on it A single bad night of sleep does little harm; sleep is cumulative, and sleeping long at the weekend does not repay a week of poor sleep. Last stated 2 years ago
12 Aug 2024
LN
Layne Norton — holds since 2024-08-12 — tap for who they are
Same subject: The dementia risk from short sleep starts below six hours a night, not below eight. — tap to centre the map on it The dementia risk from short sleep starts below six hours a night, not below eight. Last stated 3 months ago
20 Jul 2026
TW
Tommy Wood — holds since 2026-07-20 — tap for who they are
Same subject: Daytime napping in older adults is probably a marker of poor night-time sleep, so older adults should not be told to stop napping, though more evidence is needed. — tap to centre the map on it Daytime napping in older adults is probably a marker of poor night-time sleep, so older adults should not be told to stop napping, though more evidence is needed. Last stated 2 years ago
17 Apr 2024
MW
Matthew Walker — holds since 2024-04-17 — tap for who they are
Same subject: If you wake up feeling awful, give a planned workout ten minutes; if you cannot hit your intensities by then, drop it to something easier. — tap to centre the map on it If you wake up feeling awful, give a planned workout ten minutes; if you cannot hit your intensities by then, drop it to something easier. Last stated 2 years ago
22 Jul 2024
SS
Stacy Sims — holds since 2024-07-22 — tap for who they are
Same subject: Eight hours of sleep is the best investment in cognitive capacity, and trading sleep, health or exercise for more agent work is a bad deal even in the short term. — tap to centre the map on it Eight hours of sleep is the best investment in cognitive capacity, and trading sleep, health or exercise for more agent work is a bad deal even in the short term. Last stated 6 months ago
8 Apr 2026
DH
David Heinemeier Hansson — holds since 2026-04-08 — tap for who they are
Same subject: About half of all dementia is preventable, and most of that preventable half is Alzheimer's disease and vascular dementia. — tap to centre the map on it About half of all dementia is preventable, and most of that preventable half is Alzheimer's disease and vascular dementia. Last stated 3 months ago
20 Jul 2026
TW
Tommy Wood — holds since 2026-07-20 — tap for who they are
Same subject: Aging has two new dangers that emerged from changes in society: outliving your money and outliving your brain — tap to centre the map on it Aging has two new dangers that emerged from changes in society: outliving your money and outliving your brain Last stated 3 years ago
27 May 2023
RB
Roy Baumeister — holds since 2023-05-27 — tap for who they are
Same subject: Alzheimer's disease and dementia are not the same thing: a fifth to a third of people whose brains carry the pathology never became demented. — tap to centre the map on it Alzheimer's disease and dementia are not the same thing: a fifth to a third of people whose brains carry the pathology never became demented. Last stated 2 months ago
24 Aug 2026
MH
Masud Husain — holds since 2026-08-24 — tap for who they are
Same subject: Polyvagal theory survives the 2026 "untenable" critique: what the critics contested was mechanism and evolutionary framing, not the clinical proposition. — tap to centre the map on it Polyvagal theory survives the 2026 "untenable" critique: what the critics contested was mechanism and evolutionary framing, not the clinical proposition. Last stated 7 months ago
2 Mar 2026
AS
Arielle Schwartz — holds since 2026-03-02 — tap for who they are
Same subject: Regulation must precede reflection: cognitive insight fails while a nervous system is in defensive dominance. — tap to centre the map on it Regulation must precede reflection: cognitive insight fails while a nervous system is in defensive dominance. Last stated 7 months ago
2 Mar 2026
AS
Arielle Schwartz — holds since 2026-03-02 — tap for who they are
Same subject: EFT tapping improves brain connectivity, heart rate variability, vagal tone, and reduces inflammation. — tap to centre the map on it EFT tapping improves brain connectivity, heart rate variability, vagal tone, and reduces inflammation. Last stated 2 years ago
21 Aug 2024
AS
Arielle Schwartz — holds since 2024-08-21 — tap for who they are
Same subject: Had smallpox inoculation been practised in France, it would have saved thousands of lives — tap to centre the map on it Had smallpox inoculation been practised in France, it would have saved thousands of lives
VO
Voltaire — holds since c. 1733 — tap for who they are
Same subject: Higher male global TB burden may be in large part due to population-scale factors such as employment, social contacts and health-seeking behaviours. — tap to centre the map on it Higher male global TB burden may be in large part due to population-scale factors such as employment, social contacts and health-seeking behaviours. Last stated 9 months ago
14 Jan 2026
KY
Kit Yates — holds since 2026-01-14 — tap for who they are
Same subject: In providing care, there are no ideological sides — only the patient and what actually helps them. — tap to centre the map on it In providing care, there are no ideological sides — only the patient and what actually helps them. Last stated 4 weeks ago
12 Sept 2026
AA
Awais Aftab — holds since 2026-09-12 — tap for who they are
At the centre
A nap of about 20 minutes brings gains in alertness and concentration without the grogginess of sleep inertia.
Holds Read this korrent →
Short naps of under one ultradian cycle can be very beneficial for many people, but nobody has to take them.
Holds
Caffeine in the hours before bed can cut deep sleep by as much as 20 percent even in people who feel they sleep fine.
Holds
If you sleep well at night and feel refreshed by day, there is no need to force yourself to nap.
Holds
A single bad night of sleep does little harm; sleep is cumulative, and sleeping long at the weekend does not repay a week of poor sleep.
Holds
The dementia risk from short sleep starts below six hours a night, not below eight.
Holds
Daytime napping in older adults is probably a marker of poor night-time sleep, so older adults should not be told to stop napping, though more evidence is needed.
Holds
If you wake up feeling awful, give a planned workout ten minutes; if you cannot hit your intensities by then, drop it to something easier.
Holds
Eight hours of sleep is the best investment in cognitive capacity, and trading sleep, health or exercise for more agent work is a bad deal even in the short term.
Holds
About half of all dementia is preventable, and most of that preventable half is Alzheimer's disease and vascular dementia.
Holds
Aging has two new dangers that emerged from changes in society: outliving your money and outliving your brain
Holds
Alzheimer's disease and dementia are not the same thing: a fifth to a third of people whose brains carry the pathology never became demented.
Holds
Polyvagal theory survives the 2026 "untenable" critique: what the critics contested was mechanism and evolutionary framing, not the clinical proposition.
Holds
Regulation must precede reflection: cognitive insight fails while a nervous system is in defensive dominance.
Holds
EFT tapping improves brain connectivity, heart rate variability, vagal tone, and reduces inflammation.
Holds
Had smallpox inoculation been practised in France, it would have saved thousands of lives
Last stated c. 1733
Holds
Higher male global TB burden may be in large part due to population-scale factors such as employment, social contacts and health-seeking behaviours.
Holds
In providing care, there are no ideological sides — only the patient and what actually helps them.
Holds