use of SAD Therapy Light , particularly
in the morning will produce the best results.
Depending on how long and at what distance
the SAD Therapy Light is used, you will
notice its effect within one to two weeks.
You don't even have to interrupt your
normal activities when you are taking
your 'light bath'; you can just eat your
breakfast, keep on reading, writing, watching
television or working on the computer.
All you have to do is look at the light
When used at work SAD
Therapy Light improves vitality!
Recent studies conducted in companies
show that SAD Therapy Light baths
considerably improve the vitality
and quality of life of office employees.
Companies can use SAD Therapy Light
to improve the efficiency and well
being of their personnel. To keep
up your energy level, you need a certain
minimum amount of light. The average
daily dose is at least 2,500 lux for
2 hours. The light in your home or
office usually just isn't strong enough
to have a positive effect on your
For example on a summer day outside
light is approx. 1000,000 lux whilst
on a dreary autumn day outside light
is only 1,500 lux and inside light
at home or at work is only a mere
300 - 500 lux.
How light affects us
Bright light sets the pace of our biological
clock, which regulates our hormone
productions, and increases our activity
Light enters the eye and is transferred
via nuclei in the autonomic nervous
system to the pineal gland , causing
the melatonic secretion of the gland
to decrease. Melatonin is a hormone
that triggers sleepiness and is mainly
produced when it is dark.
* Woman at breakfast *
Distance Duration Lux
25cm 1/2 hr per day 10,000 lux
50cm 1 hr per day 5,000 lux
75cm 2 hr per day 2,500 lux
Please note - You may interrupt your
light bath and continue it later on
the same day; if this suits your schedule