Abuur nooc ka mid ah jumladdan oo ka sii adag MT 1 (ama Mel 1a ama MTNR1A) iyo MT 2 (ama Mel 1b ama MTNR1B) noocyada hoose ee soo-dhoweeyeyaasha ayaa ku jira aadanaha iyo naasleyda kale.
Dabcan, nooc ka mid ah jumlada ayaa ah "Qaybaha MT 1 (ama Mel 1a ama MTNR1A) iyo MT 2 (ama Mel 1b ama MTNR1B) qaybaha qaboojiyeyaasha ayaa ku jira aadanaha iyo naasleyda kale, halka qaybta kale ee qaboojiyeyaasha melatonin Mel 1c lagu aqoonsaday labadaba iyo shimbiraha. "