词根:somn = sleep, 表示“睡眠”
insomnia n. 失眠症(in不+somn+ia病)
insomnious a. 失眠的(in+somn+ious)
somnambulate v. 梦游(somn+ambul走+ate)
somniloquy n. 梦话(somni+loquy 说→睡着说话)
somniferous a. 催眠的(somni+fer带来+ous→带来睡眠的)
somnolent a. 困倦的(somn+olent…的→睡眠的)
insomnia n. 失眠症(in不+somn+ia病)
insomnious a. 失眠的(in+somn+ious)
somnambulate v. 梦游(somn+ambul走+ate)
somniloquy n. 梦话(somni+loquy 说→睡着说话)
somniferous a. 催眠的(somni+fer带来+ous→带来睡眠的)
somnolent a. 困倦的(somn+olent…的→睡眠的)