MENU
Exposure to which of the following contributes to Orcadian photoentrainment. resulting in a "phase advance'' shift of the circadian phase?
Suggested Answer: B
Get Premium WELL-AP Questions
as Interactive Web-Based Practice Test or PDF
Real Exam Format
Detailed Explanations
Instant Access
Get Your Practice Test
Exposure to early morning sunlight plays a critical role in circadian photoentrainment, helping to synchronize the body's internal clock with the natural day-night cycle. This exposure, particularly within the first hours after dawn, can induce a 'phase advance' shift in the circadian phase, promoting earlier sleep and wake times. This alignment with natural light patterns supports overall well-being, improving sleep quality, mood, and cognitive function. The WELL Building Standard recognizes the importance of natural light and its impact on circadian rhythms, advocating for building designs that maximize the use of daylight while minimizing disruption to the body's natural cycles, thereby fostering environments that support the occupants' health and well-being.
30 comments · newest first
RO
Rosalia
10 months ago
Really? I’m surprised it’s not just about the sun!
KE
Keith
11 months ago
Wait, computer screens can mess with this?
VE
Veta
11 months ago
Early morning sunlight is key for circadian rhythms!
NO
Noel
11 months ago
I thought it was late afternoon light that mattered.
LA
Latonia
11 months ago
Definitely early morning sunlight!
DE
Denny
12 months ago
I’m leaning towards early morning sunlight for this one. It seems to be a common theme in studies about circadian phase shifts.
AN
Antonio
12 months ago
I’m confused about the computer monitor options. I thought screens were generally bad for sleep, but maybe late afternoon light could help?
JE
Jess
12 months ago
I remember practicing a question about light exposure and circadian rhythms, and I feel like late morning sunlight was mentioned as beneficial too.
RO
Roslyn
1 year ago
I think early morning sunlight is what helps with phase advance, but I'm not entirely sure.
RE
Rex
1 year ago
Based on what I know, early morning light exposure is more likely to cause a phase advance in the circadian rhythm. I'll go with option B.
AL
Aleshia
1 year ago
I'm a bit confused by the term "Orcadian photoentrainment." I'll need to review my notes to make sure I understand the concepts involved.
AL
Aleshia
1 year ago
Okay, I remember learning about this in class. I think it has to do with the timing of light exposure and how that affects the body's internal clock.
AU
Audry
1 year ago
Hmm, this seems like a tricky one. I'll need to think carefully about the role of light exposure in circadian rhythms.
MA
Margarita
2 years ago
Haha, 'tarty' evening computer monitor? That's a new one. But I agree, D) Late afternoon computer monitor illumination is the way to go.
NI
Nikita
2 years ago
Haha, 'tarty' evening computer monitor illumination does sound interesting though!
LA
Lashunda
2 years ago
I think so too, it really helps with that 'phase advance' shift of the circadian phase.
IE
Iesha
2 years ago
Late afternoon computer monitor illumination is definitely the best for Orcadian photoentrainment.
NA
Nana
2 years ago
I heard that blue light from screens can disrupt our sleep-wake cycles, so I'm gonna have to go with C) Tarty evening computer monitor illumination.
WI
Winfred
2 years ago
I've heard that blue light can trick our brains into thinking it's daytime, causing a shift in our circadian phase.
CH
Chantay
2 years ago
I think it's important to limit exposure to screens before bedtime to avoid disrupting our sleep patterns.
GI
Gilma
2 years ago
I agree, C) Tarty evening computer monitor illumination can definitely affect our circadian rhythm.
GE
Gerardo
2 years ago
Late afternoon computer monitor illumination may also play a role in Orcadian photoentrainment.
LA
Lashon
2 years ago
I agree with Lashonbie. Early morning sunlight can cause a phase advance shift of the circadian phase.
GR
Graham
2 years ago
C'mon, who's gonna believe that computer screens at night can mess with our body clocks? I'm going with A) Late morning sunlight.
PR
Princess
2 years ago
B) Early morning sunlight for sure! That's when our circadian rhythms are most sensitive to light exposure.
DU
Dulce
2 years ago
C) tarty evening computer monitor illumination
AL
Alva
2 years ago
Yes, early morning sunlight is definitely the key for Orcadian photoentrainment.
BO
Bobbie
2 years ago
A) Late morning sunlight
GR
Grover
2 years ago
B) Early morning sunlight
BO
Bobbie
2 years ago
I think exposure to early morning sunlight contributes to Orcadian photoentrainment.