Why We Nap: Evolution, Chronobiology, and Functions of Polyphasic and Ultrashort Sleep

By Claudio Stampi

People (and another mammals) are particular of their monophasic sleep styles - so much different animals sleep numerous occasions an afternoon. yet many people additionally nap or in brief "nod off" throughout the waking hours, and sure paintings and lifestyles types require "polyphasic" sleep styles of interspersed classes of sleep and wakefulness. only in the near past have the underlying bases of polyphasic sleep and its results on human habit been studied, and this quantity via foreign specialists within the fields of sleep learn, circadian rhythms, and human functionality (neuroscientists, physiologists, psychologists, psychiatrists, chronobiologists) brings jointly the newest findings and reports significant facets of this crucial and interesting new box. Readers will contain sleep researchers and neuroscientists drawn to study on states of recognition, and likewise business psychologists, ergonomists, and execs who desire details on effective programming of work-rest schedules.

Show description

Quick preview of Why We Nap: Evolution, Chronobiology, and Functions of Polyphasic and Ultrashort Sleep PDF

Similar Biology books

Marine Mammals of the World: A Comprehensive Guide to Their Identification

With assurance on all of the marine mammals of the area, authors Jefferson, Webber, and Pitman have created a uncomplicated consultant to spot marine mammals alive in nature (at sea or at the beach), lifeless specimens “in hand”, and in addition to spot marine mammals in response to beneficial properties of the cranium. this convenient advisor presents marine biologists and lay individuals with precise descriptions of diagnostic positive aspects, illustrations of exterior visual appeal, attractive photos, dichotomous keys, and extra.

Epigenetic Principles of Evolution (Elsevier Insights)

This is often the 1st and merely publication, thus far, to accommodate the causal foundation of evolution from an epigenetic view. by way of revealing the epigenetic "user" of the "genetic toolkit", this publication demonstrates the primacy of epigenetic mechanisms and epigenetic info in producing evolutionary novelties. the writer convincingly helps his thought with a bunch of examples from the main diverse fields of biology, by means of emphasizing adjustments in developmental pathways because the simple resource of evolutionary swap in metazoans.

Conservation Biology: Evolution in Action

The most target of this e-book is to motivate and formalize the infusion of evolutionary considering into mainstream conservation biology. It reports the evolutionary foundations of conservation matters, and unifies conceptual and empirical advances in evolutionary conservation biology. The ebook can be utilized both as a prime textbook or as a supplementary interpreting in a complicated undergraduate or graduate point direction - more likely to be known as Conservation Biology or every now and then Evolutionary Ecology.

Introduction to Genomics

Our genome is the blueprint to our life: it encodes the entire info we have to boost from a unmarried phone right into a highly advanced sensible organism. yet how will we establish the genes that make up our genome? How can we confirm their functionality? and the way do various genes shape the regulatory networks that direct the methods of existence?

Extra resources for Why We Nap: Evolution, Chronobiology, and Functions of Polyphasic and Ultrashort Sleep

Show sample text content

1 and information in desk three. 1) indicates that either mammals and birds comprise what can be generally 3. The Phasing of Sleep in Animals 33 thought of monophasic and polyphasic species. The phasing of sleep isn't really in basic terms a replicate photo of the phasing of task. inspite of the superiority of nocturnally energetic mammals, few of the species which were studied electrophysiologically are either monophasic and diurnally slumbering, and few of the polyphasic species pointed out by way of this sleep-in-darkness index are diurnally lively.

E. , through the interval of sleep inertia), and function and temper through the interval of wakefulness next to a snooze. Nap Sleep Inertia "Sleep inertia" refers back to the results of sleep on functionality and temper instantly upon awakening from sleep. in the course of awakening from sleep, in particular abrupt awakening from deep sleep, there frequently is a interval of temporary yet very profound confusion, disorientation, and impairment of performance—an impairment that has been documented for a wide range of behavioral initiatives and that may be extra serious than the impairment produced by way of sleep deprivation (Dinges, 1990).

Throughout the time I labored at the quantity, i Preface xix aid used to be obtained from study contracts # W7711-6-9354/01-SE and W7711-8-7045/01-SE from the govt. of Canada (DSS), # 9502-2 from the Arizona division of Public safeguard, from delivers from the Bakken starting place and from the Institute for Circadian body structure. ultimately, this attempt do not have been attainable with out the trouble and aid from the colleagues who contributed to this quantity, and particularly with no the reviews, recommendation, and collaboration from lots of individuals who comprehend and perform the talents and humanities of sleeping and of polyphasic napping, both simply because they're solo sailors, are a part of rescue or emergency groups, paintings day and evening or abnormal shifts, or just for natural excitement.

Even supposing the consistent regimen information are abnormal, in addition they will be interpreted during this manner, with an entire diversity of shifts, from advances to massive delays (inserted on determine 7. 8B), being proven. The similarity in effects supplied through the two-component cross-correlation version and incessant exercises is under pressure by way of the truth that the 98 D. S. Minors and J. M. Waterhouse paired adjustments among the consistent exercises and the two-component version weren't considerably various. For team I, the few consistent workouts that have been assessed have been almost always delays, unlike the implications from cosinor research and the two-component version, so the paired variations among the two-component version and incessant exercises verged on statistical importance.

Solo sailors), and a few of the laboratory stories defined during this bankruptcy truly printed that topics have been in a position to vastly lessen their sleep latencies a couple of days into the experiments. elevated sleep strain triggered by means of partial sleep deprivation can be one amongst the criteria —but now not the one one — affecting the elevated skill to go to sleep quick. it's been instructed that there are an important variety of people who can keep an eye on sleep onset and a ways larger quantity than is mostly well-known have the possibility of studying this ability (Evans and Orne, 1976).

Download PDF sample

Rated 4.17 of 5 – based on 11 votes

About admin