PHYSCI CM123
Neurobiology of Sleep
Also listed as NEUROSC CM123: the same class, and each department holds its own seats and its own grade history.
Grades
3.94
Average grade awarded in PHYSCI CM123. Not a student rating: this is what the grades were.
In the A range
97%
of the 188 letter grades
D, F or W
0.0%
of every letter grade awarded, plus withdrawals
Taken pass/no pass
-
the registrar has this letter grade only this term
The registrar's own records: 188 grades over 4 terms, Fall 2021 to Fall 2025. Every instructor is pooled here.
What is inside that record
No summer session is in that record.
The table below splits them, and term averages across those 4 terms ran 3.83 to 3.98.
Historical grades for all professors, across recorded terms. The course summary above includes all professors.
- A+ 33 · 17.6%
- A 132 · 70.2%
- A- 17 · 9.0%
- B+ 3 · 1.6%
- B 2 · 1.1%
- C 1 · 0.5%
- I 2 of 190
Percentages are of the 188 letter grades. Grey bars are non-letter outcomes: incompletes (I).
How the non-letter outcomes are counted
They are excluded from the GPA entirely rather than scored, because counting a P as a 4.0 would be a fabrication.
By instructor
| Instructor | Predicted GPA | Raw | n | Terms | A range | Workload | Summer Session C 2026 |
|---|---|---|---|---|---|---|---|
| COLWELL, CHRISTOPHER S reviews ↗ | 3.94 | 3.94 | 188 | 4 | 97% | - | not teaching it |
| PAUL, KETEMA NNAMDI reviews ↗ | 3.96 | 3.97 | 112 | 2 | 99% | very light | not teaching it |
| POE, GINA ROCHELLE reviews ↗ | 3.96 | 3.97 | 112 | 2 | 99% | - | not teaching it |
| NWAOBI-PETERSEN, SINIFUNANYA ELVEE reviews ↗ | 3.96 | 3.96 | 70 | 1 | 99% | - | not teaching it |
| RICKETTS, EMILY reviews ↗ | 3.96 | 3.96 | 70 | 1 | 99% | - | not teaching it |
Why Predicted is not the Raw average
“Predicted” is shrunk toward the course average, which is itself shrunk toward the department, so an instructor with a handful of students sits near the course mean rather than topping the list.
Grade records describe outcomes. For what a course is like to take, read student reviews written on dibs below or follow the separate external review link.
Workload and assignments
Work types reported in BruinWalk reviews of this course, across recorded instructors and terms. They may differ from this term's syllabus.
What the work looks like
- Quizzes mentioned, no number given, said by 2 reviewers
- 1 paper, said by 2 reviewers
- 1 presentation, said by 1 reviewer
Read from 8 reviews 26 days ago. dibs counts only what a review actually states, so a kind of work nobody mentioned is absent rather than zero.
What comes first
The chain dibs can see is 6 courses long before PHYSCI CM123. Read from Fall 2026, because dibs has not read a class page for PHYSCI CM123 in Summer Session C 2026 and a department can change what it requires. This is a floor, not a deadline: dibs has not read a class page for CHEM 20B, LIFESCI 30B, MATH 3B, NEUROSC M101B, PHYSCI 111A, and PHYSCI 111B, so the real chain can only be longer than this, never shorter.
Counted in courses rather than quarters: dibs does not know which of them a department lets you take together.
From the registrar's catalog
(Same as Neuroscience CM123.) Lecture, three hours; discussion, one hour. Requisites: courses M101A and M101B or 111A and 111B or consent of instructor. 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.
Sections in Summer Session C 2026
From the people who took it
Student reviews
What taking PHYSCI CM123 was like: the work, the teaching, and what students wish they’d known.
Your experience could be the first.
No student reviews are available to read on dibs for this course yet. Took it? Tell the next person what helped, what was hard, and how you spent your time.
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External reviews are separate and do not count toward the dibs rating.