firstly, You should know how much is your laptop? it's 500$ or 1000$ and the purpose of laptop is for working and studying.
secondly, what about the profit when you mine coins on your laptop.? it's nothing and not enough for you to pay electricity fees and laptop maintenance.
Thirdly, Mining coins on your laptop will be damaged all hardwares on it and you will cost more money to repair it.
On conclusion, Never and Never mine any coins on your laptop .
Its true that mining with own computer or laptop cannot be profitable just because our computer or laptop cannot produce that much power for contribution of pool mining, so respected rewards are too low. So better to use external hardware specifically designed for better mining.