Hey guy

will TRY to clear it - 
1 ) All living organisms ( Including the plant / s 
you are talking about ) need oxygen for 
respiration and they GIVE out carbon-dioxide in 
return. 
2 ) All green plants require carbon-dioxide for 
photosynthesis and in return they give out 
oxygen . 
3 ) Photosynthesis ( Manufacture of sugars and 
starch ) can take place during day time only 
when the Sun is shining in the sky . 
4 ) So consumption of carbon-dioxide by green 
plants is not a continuous process and 
restricted to day time only . 
5 ) Respiration , on the other hand , is a 
continuous process from birth to death .( For 
all , including the plants ) 
6 ) So plants give out carbon-dioxide during 
day as well as night . 
7 ) BUT the release of that GAS is far far less 
than what is released by any person that shares 
ones bed room . 
* *8 ) a )So if a few people can share a bed 
room with good ventilation and are none the 
worse for it , 
b ) If a large number of people can share a 
Conference 
room and converse without any 
dicsomfort . 
c ) If hundreds of people can sit and 
watch cinema for 
few hours in an auditorium with out ill 
effects 
then it is totally HARM less to sleep near a tree 
under an open sky . 
It seems there is much ado about it with out reason