Daylight VS Sleep
Asma Kalyani Hamnah Asim
Grade 10
Presentation
Hypothesis
Asma hypothesized that with the lamp the individual would have less energy throughout the day and feel very tired. Hamnah hypothesized that with the lamp the individual would have lots of energy in the morning and towards the afternoon their energy would decrease so they would take a nap and in the evening they would regain their energy. Without the light, Asma hypothesized that throughout the day the individuals would have more energy and not take any naps. Hamnah hypothesized that the individuals would have lots of energy in the morning, take no naps and sleep early. Our hypothesis have multiple similarities such as we both thought that the participants would need a nap during the day and feel unusually tired as the day went on.
Research
Research
There are a couple of websites that go through this topic but there are also a multitude of similarities between them such as:
- It causes the confusion for the brain messing up the sleep schedule
- Can cause health concerns like weight gain and cancer risk
- Poor sleep quality
- Shorten the duration for sleep
- Frequent interruptions when asleep
Variables
Dependant Variable
The dependent variable in this experiment is the verilux lamp. We are dependant of this lamp so we can do all of the experiment. One of the main things we are dependent on are the people. If we don't have enough people than we can do the experiment and if someone doesn't want to do the experiment than we have to find people that do want to do the experiment. Another dependent variable is the number of times we do the experiment, we chose do the experiment on 2 different people for each age group so the results can be more accurate.
Controlled Variable
The controlled variable in this experiment was the amount of light that was coming in the room. All of the experiments we did had the light placed 1.5 meters away from the bed and was placed on the lowest settings. Another controlled variable was the amount of experiments we did and we had the same routine for each person.
Procedure
- Select 6 individuals to observe their sleep and daylight exposure patterns.
- In the morning check the amount of sunlight that the individual is exposed to when they wake up. This will tell us its impact on their energy and mood by the end on the day
- During the afternoon check their energy levels and see how sleepy they are and if they take a nap
- In the night compare the time they go to bed and check the difference between each individuals.
- Lastly, Check how they fall asleep and if it is different compared to each individual.
Observations
Gender: |
Age: |
Time they went to bed: |
Time they fell asleep |
Naps/times they awoke at night |
Other symptoms: |
Male |
Middle Aged (40-65) |
12:00 AM |
12:15 AM |
Woke up around 2:00 AM and went back to sleep at 2:10 AM. Woke up at 7:00 AM and took a nap 12:00 PM |
He took woke up with a good mood and full of energy and took a nap at 12:00 AM to last for the rest of the day. |
Male |
Middle Aged (40-65) |
10:00 AM |
10:05 AM |
Didn’t wake up at night and didn’t take naps
|
Has energy in the morning but it slowly depletes as the day goes on |
Female |
Middle Aged (40-65) |
11:00 AM |
11:15 AM |
Didn’t wake up at night and didn’t take naps Woke up at 6:00 AM |
Has energy lasted throughout the day |
Female |
Middle Aged (40-65) |
1:30 AM |
1:45 AM |
Woke up between 4:00 and slept around 4:15 Woke up at 9:00 AM and took a nap at 2:30 PM |
She had energy for the the morning and and afternoon but towards the evening she felt sleepy. |
Teenager (Female) |
Teenager (13-19) |
9:40 AM |
9:45 AM |
Didn’t wake up night and didn’t take a nap Woke up at 6:10 AM |
Has energy throughout the day |
Teenager (Female) |
Teenager (13-19) |
11:40 PM |
12:00 AM |
Woke up at 6:30 AM No naps |
Has energy throughout the day |
After Light
Gender: |
Age: |
Time they went to bed: |
Time they fell asleep |
Naps/times they awoke at night |
Other symptoms: |
Male |
Middle aged: 45-65 |
12:00 AM |
12:53-12:58 AM |
Awoke and fell asleep from: 3:20-3:40 AM Woke up at: 7 AM Had a nap at:12:00 AM |
Didn't have the best energy throughout the day. |
Female |
Middle aged: 45-65 |
1:00 AM |
2:10 - 2:20 AM |
Awoke and fell asleep from: 4:00-4:15 AM Woke up at: 9:00 AM Had a nap at: 3:00 PM |
Woke up a slight headache and felt sleepy. Had less energy throughout the day |
Female |
Middle aged: 45-65 |
11:00 PM |
12:30-12:45 AM |
Awoke and fell asleep from: 1:39-2:00 AM Woke up at: 10:00 AM Didn’t take a nap |
Really tired/lethargic throughout the day/had a headache |
Male |
Middle aged: 40-65 |
10:30 PM |
10:35-10:40 AM |
Didn’t wake up and didn’t have a nap |
Felt no tired than usual (felt normal) |
Female |
Teen: 13-19 |
11:25 PM |
11:40-11:45 AM |
Awoke up 3 times but fell back asleep 5-10 minutes later Woke up at 4:30 |
Extremely tired, eyes are heavy/burning,legs are tired/sore, and had a headache |
Female |
Teen: 13-19 |
11:00 PM |
12:00 AM |
Awoke from 3:00-3:42 AM Woke up at 6:30 AM Took a nap |
Woke up tired Has less energy/very sleepy |
Analysis
Experiment results
We have concluded that when light is in the room most of the people tend to wake up throughout the night and are not able to sleep during the night. Well with daylight it doesn't affect the time they wake up but they do get around 1 hour less sleep compared to without daylight. Despite this some people felt normal and the lamp did not affect them. On the other hand we have noticed that without light people tend to sleep better and have a better mood throughout the day. They don't feel exhausted too early and have better energy levels. If we don't have the best energy levels throughout the day than we are not able to function the best and it can affect us in many ways.
Conclusion
To sum it all up we have seen that our hypothesis and experiment were correct. Asma hypothesized that with light the individual would feel more sleepy and have less energy throughout the day and feel lazy/sleepy. Without light, Asma hypothesized that without light the individual would have lots of energy throughout the day and not take any naps. On the other hand Hamnah hypothesised the opposite of what Asma hypothesised. Therefore we have concluded that Asmas hypothesis was correct and we have seen from the experiments that daylight plays a big factor for our day. If we keep the daylight coming
Application
We have learned a lot from this experiment and can take away many key points than we can use as a benefit for the future. From this project we have come to seen, when you are exposed to too much daylight it effects that way you sleep and you mood and energy levels throughout the day. In order to prevent that from happening we should close the blinds. Doing this will make your sleep much better and you will be able to wake up in a good mood and last your energy for the day. Energy plays a big role for our day because if we are exhausted we will not get through the day in the best way. This experiment can be applied in a good amount of occasions for example if a person was say working night shift and they come back in the morning when the sun is shining in their face as they try to go to bed. This experiment can be a good point to consider closing the blinds or not. Another application of the experiment is coming home in the afternoon knowing what happens with sleeping in the sunlight could convince you to take the extra steps up the stairs to your bedroom with the blinds closed.
Sources Of Error
Some sources of error lay with the experiment itself such as
- The light could have been too close
- The light could have been to far
- Experiment could actually depend personalities and the people used were too similar
- Not enough time to adapt from the experiment so the effects may differ according to how many days they spent with the experiment
Citations
Acknowledgement
We aknowledge these resources as we used these resources for our research
https://www.sleepfoundation.org/bedroom-environment/light-and-sleep
https://www.nature.com/articles/s41598-023-39636-y
We acknoweldge the wonderful test subjects that helped us do our project, We aknowldge our teachers who got us more information.