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Course information comes from the public UCLA General Catalog. Requisites are read from UCLA’s published wording and can be incomplete or out of date — check the official catalog listing and your department adviser before you enroll.

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PHYSCI CM123Neurobiology of Sleep

Physiological Science · 4 units · Undergraduate upper division (100-199)

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(Same as Neuroscience CM123.) Detailed look into science of sleep. Cellular and molecular mechanisms of falling asleep, many discrete brain structures involved in control of sleep wakefulness, and homeostatic regulation of sleep. How our sleep needs shaped by our evolutionary history, age, and gender. Latest insights into question of function of sleep, critical role sleep plays in memory formation and, close association between sleep and metabolism. Sleep disorders are considered as they provide insights into mechanisms underlying sleep. For background on science of sleep and circadian rhythms, completion of course C126 is highly recommended. Concurrently scheduled with course CM223.

Letter grading.

When it runs

Not on the schedule for any of Fall 2025 through Spring 2027. UCLA publishes only that window, so this does not mean the course is gone — check the official listing.

Requisites

Official UCLA wording

Requisites: courses M101A and M101B or 111A and 111B or consent of instructor.

BruinTree reads · Prerequisite

needs reviewconfidence 0.60 · from text
one of
  • all of
    • PHYSCI M101A
    • PHYSCI M101B
  • all of
    • PHYSCI 111A
    • PHYSCI 111B
  • consent of instructor
  • · "PHYSCI M101A" is not in this catalog version
  • · "PHYSCI M101B" is not in this catalog version

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About PHYSCI CM123. We read UCLA’s requisite wording by machine, and it gets things wrong.

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Requires

Everything that has to come before this course, not just the courses named in the requisite above.

PHYSCI CM123

  • PHYSCI 111AFoundations in Physiological Science
    • PHYSCI 107Systems Anatomy
      • LIFESCI 7CPhysiology and Human Biologyanother path to it
      • PHYSICS 1APhysics for Scientists and Engineers: Mechanics1 more beneath
      • PHYSICS 5APhysics for Life Sciences Majors: Mechanics and Energyanother path to it
    • CHEM 14CStructure of Organic Molecules
      • CHEM 14BGeneral Chemistry for Life Scientists II6 more beneath
    • LIFESCI 7ACell and Molecular Biology
    • PHYSICS 1BPhysics for Scientists and Engineers: Oscillations, Waves, Electric and Magnetic Fields
      • MATH 31BIntegration and Infinite Series1 more beneath
      • PHYSICS 1APhysics for Scientists and Engineers: Mechanicsanother path to it
      • MATH 32ACalculus of Several Variables1 more beneath
      • MATH 32BCalculus of Several Variables
    • CHEM 30AOrganic Chemistry I: Structure and Reactivity
      • CHEM 20BChemical Energetics and Change5 more beneath
    • LIFESCI 7BGenetics, Evolution, and Ecology
      • LIFESCI 7ACell and Molecular Biologyanother path to it
    • PHYSICS 5CPhysics for Life Sciences Majors: Electricity, Magnetism, and Modern Physics
      • PHYSICS 5APhysics for Life Sciences Majors: Mechanics and Energy5 more beneath
    • LIFESCI 7CPhysiology and Human Biology
      • LIFESCI 7BGenetics, Evolution, and Ecologyanother path to it
  • PHYSCI 111BFoundations in Physiological Science
    • PHYSCI 111AFoundations in Physiological Scienceanother path to it
    • CHEM 14DOrganic Reactions and Pharmaceuticals
      • CHEM 14CStructure of Organic Moleculesanother path to it
    • CHEM 30BOrganic Chemistry II: Reactivity, Synthesis, and Spectroscopy
      • CHEM 30AOrganic Chemistry I: Structure and Reactivityanother path to it

2 direct requisites. Showing 27 courses over 3 levels; the branches marked with a count carry on past it. Every course here opens its own tree.

Unlocks

What this course is a requisite for, and what those courses lead to in turn.

No course in the catalog lists this as a requisite.