Original Hypothesis:
I am a veteran with PTSD. Due to this, I do not have a regular sleep schedule. I have noticed that when I sleep very little, or not at all, I seem to make more mistakes, particularly early in the morning.

I will record the amount of sleep, in minutes, that I get each night. Each morning, within one hour of waking, I will take a typing accuracy test from the same source. I will record the number of errors in the typing. I expect that there will be a negative relationship between the hours of sleep I get and the errors that I make; by which I expect to have less errors with more sleep.

At first, I did this a bit begrudgingly. I am not a morning person, and forcing myself to do this on a nearly daily basis was frustrating at first. After a week or so, however, this became a part of my morning ritual. I used the following website to conduct my typing tests: http://www.typeonline.co.uk/typingspeed.php I did this for a total of 30 measured days, and I have included the raw data below as a starting point:

Amount of sleep*

Mistakes made

*Measured in hours, rounded to the nearest 1/4 hour

2.25

11

6

2

4

5

5

4

6.5

3

5

4

3.75

7

4

6

2.25

10

8

0

7

1

3

6

2.5

9

2.5

10

3.75

8

5.75

5

8

1

6

3

4

8

2.25

8

7.5

2

3.75

6

6.5

3

3.25

8

4.5

5

8.25

1

5.5

6

6

2

4

8

3.25

8

4.8000

5.3333

Averages (rounded to 4 decimal places)

Sample size: 30

Correlation coefficient (r): -0.93443488642444 Coefficient of Determination: 87% Linear Least Squares Regression Line Equation Calculation: Slope(m) -0.684 Y – intercept 8.435 Least Square Regression Line Equation Y -0.684x + 8.435 Results: Initially, there could have been a lurking variable in this test, as I intended to type the same paragraph daily. This could have resulted in memorization of the text, which could have improved my error rate. I removed this variable by using a site that generated a random test of the same approximate typing difficulty each day. The correlation coefficient and the resulting coefficient of determination of 87% tell me that there is an 87% correlation between the amount of sleep that I get per night and the amount of errors that I made in the typing tests within an hour of waking up. This is a very significant correlation. This confirms my initial hypothesis, in which I inferred that the amount of sleep that I get would affect my ability to type correctly in the morning.

I am a veteran with PTSD. Due to this, I do not have a regular sleep schedule. I have noticed that when I sleep very little, or not at all, I seem to make more mistakes, particularly early in the morning.

I will record the amount of sleep, in minutes, that I get each night. Each morning, within one hour of waking, I will take a typing accuracy test from the same source. I will record the number of errors in the typing. I expect that there will be a negative relationship between the hours of sleep I get and the errors that I make; by which I expect to have less errors with more sleep.

At first, I did this a bit begrudgingly. I am not a morning person, and forcing myself to do this on a nearly daily basis was frustrating at first. After a week or so, however, this became a part of my morning ritual. I used the following website to conduct my typing tests: http://www.typeonline.co.uk/typingspeed.php

I did this for a total of 30 measured days, and I have included the raw data below as a starting point:

Sample size: 30Correlation coefficient (r): -0.93443488642444Coefficient of Determination: 87%Linear Least Squares Regression Line Equation Calculation:Slope(m) -0.684

Y – intercept 8.435

Least Square Regression Line Equation Y -0.684x + 8.435

Results:Initially, there could have been a lurking variable in this test, as I intended to type the same paragraph daily. This could have resulted in memorization of the text, which could have improved my error rate. I removed this variable by using a site that generated a random test of the same approximate typing difficulty each day.

The correlation coefficient and the resulting coefficient of determination of 87% tell me that there is an 87% correlation between the amount of sleep that I get per night and the amount of errors that I made in the typing tests within an hour of waking up. This is a very significant correlation.

This confirms my initial hypothesis, in which I inferred that the amount of sleep that I get would affect my ability to type correctly in the morning.