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Topic: OT: Caffeine and sleeping (6 msgs / 133 lines)
1) From: Derek Bradford
For any of you out there who can drink a cup of coffee just before
bed, this may shed some light on your ability.  There was a time when
I did this daily, but I don't drink so much coffee anymore.  Now there
may be an explanation.
The whole article is here:http://www.acnp.org/G4/GN401000165/CH161.htmlThe pertinent bit is pasted below:
Tolerance to Caffeine Sleep Disruption
Unambiguous evidence for the development of tolerance to caffeine
sleep-disrupting effects is also quite recent. Although Colton et al.
(21) showed that heavy coffee drinkers were less sensitive to the
sleep-disturbing effects of caffeine than light coffee drinkers, the
study design did not allow differentiation of tolerance from other
preexisting differences between these self-selected subject
populations. Two recent studies provided direct experimental evidence
for caffeine tolerance to sleep disruption by demonstrating decreases
in caffeine-induced disruption of objective measures of sleep after
caffeine dosing of 250 mg b.i.d. for 2 days (111) or 400 mg t.i.d. for
7 days (8). By day 7 in the latter study, a number of sleep measures
(e.g., total sleep time, sleep efficiency, number of awakenings) were
no longer different from baseline, suggesting the development of
complete tolerance at these doses.
--Derek
-- 
Every path but your own is the path of fate.  --Thoreau

2) From: Robert Joslin
Derek
     Thanks.  Thats an interesting article!     Josh
On 8/18/07, Derek Bradford  wrote:
<Snip>

3) From: Larry Johnson
Yeah, I tried to read it, but I fell asleep.
On 8/18/07, Robert Joslin  wrote:
<Snip>
-- 
Larry J
The greatest pleasure in life is doing what people say you cannot do.  -
Walter Bagehot

4) From: raymanowen
"Tolerance to Caffeine Sleep Disruption"
Caffeine sleep dispuption  Caffeine insomnia  Caffeine sleep dispuption
Caffeine insomnia  Caffeine sleep dispuption  Caffeine insomnia  Caffeine
sleep dispuption  Caffeine insomnia  Caffeine sleep dispuption  Caffeine
insomnia  Caffeine sleep dispuption  Caffeine insomnia  Caffeine sleep
dispuption  Caffeine insomnia  Caffeine sleep dispuption  Caffeine insomnia
Bothers me not-
Caffeine sleep dispuption  Caffeine insomnia  Caffeine sleep dispuption
Caffeine insomnia  Caffeine sleep dispuption  Caffeine insomnia  Caffeine
sleep dispuption  Caffeine insomnia  Caffeine sleep dispuption  Caffeine
insomnia  Caffeine sleep dispuption  Caffeine insomnia  Caffeine sleep
dispuption  Caffeine insomnia  Caffeine sleep dispuption  Caffeine insomnia
People are all different. It's still not true for me.
It's not an ability- a good shot [Keep fishing, Ray!] or an excellent aroma
from a cuppa are the most soothing and relaxing beverage experiences I can
imagine.
If I drink a couple of steinways after 2100hrs [9pm], it's a cinch I'll miss
a call on the Peter Boyles show when the radio turns on at 0500 next
morning. Sometimes, I brew a steinway very late- after midnight- and find
myself in the enviable position of needing to roast before I can brew any
more coffee.
Hoo-Rah! The neighborhood mutts won't be out barking, and there is no danger
of sunburn out on the back porch.
Besides, If you consume coffee that has had the caffeine removed, things
begin to happen. Decaf is antagonistic to Viagra and has other non-specific
effects.
Cheers -RayO, aka Opa!
Ask your Cupper if it's right for you...
On 8/18/07, Derek Bradford  wrote:
<Snip>

5) From: Robert Joslin
Ray
     I have often wondered if you occasionally use astragalus derivatives or
extracts in your coffee:-)
Josh
On 8/19/07, raymanowen  wrote:
<Snip>

6) From: raymanowen
Maybe a tea in Bangkok about 40 years ago, along with Pad Thai. The
Singhai I was offered got me light headed after half a mug. 2mugs = my
first Kemow.
I should have known- the Singhai was only a Baht. San Miguel cost five
times that much.
Cheers -RayO, aka Opa!
On 8/19/07, Robert Joslin  wrote:
<Snip>
-- 
"When the theme hits the bass, I dance the Jig!" - -Virgil Fox at the
Mighty Wichita (ex- NYC Paramount) WurliTzer- 1976


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