Help necessary to be alone during SN method?

[decayingdoll]

i'm planning on taking SN tonight, with meto an hour before... the only problem is i share a room with my mother. i'm hoping to drink it just after she falls asleep, and then go to bed myself. she definitely won't wake up during the night or anything, i could only be found in the morning. is this safe or do i need to be alone ? i don't want there to be any visible signs so i'm not found