You forgot ages 0-6 and then from 65-death, the days you were sick till the day you are bed ridden ! ...LoL
I didn't... see below
Then we questioned why some dude would spend $30,000 on a custom made mattress formed in the shape of a heart,
because they have no dick?
The mattress companies already did the calculations, we use to call mattresses love machines, birth machines, death machine etc...
there's no bias there, right?
These are quick calculations using recommended sleep times for kids 0-18 from here:
http://www.webmd.com/parenting/guide/sleep-children?printing=true I assumed that people will sleep 8 hours from 18-63, but I honestly don't know many people who sleep that much. I also assumed an increase to 9 hours upon retirement, but the retired people I know sleep 7-8 hours, if that.
I'd also like to draw attention to your deathbed argument; I highly doubt that most people are bedridden for extended periods of time before dying. Of the people I've known who have died, none spent more than a few days bedridden before passing, and most were never bedridden at all. I defy you to demonstrate that most people spend a significant amount of time on their mattress before dying.
Anyway, let's run some quick and dirty numbers, shall we?
age .........hrs slept
0-1 mth ......16 .........16*1/12*1
1-4 mth ......15......... 15*1/12*3
4-12 mth ....15 ......... 15*1/12*8 ............15.08333333
1-3 yrs .......14 .............2*14 ......................28
3-6 yrs .......12............. 3*12 ......................36
7-12 ......... 11 ............. 6*11 .....................66 **calculated as 6-12yrs
12-18 ..........9 ..............6*9....................... 54
18-65 ......... 8 ............. 47*8..................... 376
65-83 ......... 9 .............18*9 .....................
162
...........................................................737.0833333
737.0833/83
/ 83 yrs
8.880522088 avg hours/day
0.370021754 % slept
Now, let's assume that every day you spend 1hr getting to sleep. 1hr getting out of bed and 1 hr fucking (bear in mind,
this is from birth to death... I wish I was getting laid as a 2 year old, and I hope to bang daily at 80)
=8.880522+3
11.8833 avg hours/day
0.4951375 % in bed
We'll try again. Let's say that on top of getting the recommended amount of sleep until hitting 83, you live another
20 years as a vegetable, spending 24 hours a day in bed
83-103 ....... 24 hrs/day......20*24 .........480
=480+737.0833
1217.0833
/103 yrs
11.81634272 avg hours/day
0.492347613 % in bed
Okay, let's assume that every day you spend 1hr getting to sleep. 1hr getting out of bed and 1 hr fucking, while being bedridden for 20 years after hitting 83.
Of course, you're a fucking vegetable for the last 20 years (no pun intended), but let's ignore that.
=11.8164+3
14.81634 avg hours/day
0.617348 % in bed
So, here your numbers work. Assuming that the average person gets the recommended amount of sleep every night
from birth to the age of 83, then becomes a vegetable and lives to the age of 103, while still chilling and fucking
on their mattress despite being a bed-ridden vegetable 24 hours a day after hitting 83, meaning that from 83 to 103 they
are finding 27 hours a day to be a vegetable, fall asleep, get up (to be a vegetable) and fuck.
Now, lets assume that the average person gets the recommended amount of sleep from birth to age 65, then lives
another 25 years as a vegetable. Lets also assume that they take an average of 3 hours a day to fall asleep, get up and
fuck (on top of the 24 hours/day of marinating after hitting 65). So, again, we're working with magical 27-hour days.
@65, from above 575.0833333
25 years as a vegetable 25*24= 600
1175.083333
/90 yrs
13.05648148 avg hours/day
0.544020062 % in bed
doesn't work yet
add the 3 hours
16.05648148
0.669020062 % in bed
So, your numbers work if we assume that the average person lives well beyond the life expectancy of the average Canadian, manages to be a vegetable for 20+ years, fucks while they're a vegetable, stretches the average day beyond 24 hours and sleeps more than anyone I know (and I know some pretty lazy people).
Let's look at it another way:
I'm going to use the 8.880522 as the average amount of sleep per night over a life time and add an extra 2 hours per day as time spent in bed awake. Let's see how much of a 90 year lifespan has to be spent bedridden 24 hours a day to reach the average of 14.4 hours a day needed to say people spend 60% of their time in bed:
((90-X)*10.880522+(24*X))/90=14.4
(979.247-10.880522X+24X)/90=14.4
979.247+13.11948X=1296
13.11948X=316.753
X=24.14372 years
24.14372/90=.268264
So someone who sleeps the recommended amount and spends an average of two hours a day in bed on top of sleep, who lives to the age of 90 would have to be bedridden for more than a quarter of their life.
Of course, I'm being facetious, but I'd still like to see the model you're using.
Otherwise, I call shennanigans.