1, it belongs to the stonecrop family of plants, the night will release carbon dioxide, affecting the indoor air, flowering will produce toxic substances, making people dizzy and headache.

2, the lily of the valley of the scent of human inhalation will lead to the central nervous system excitation, nerve over-excitement that will lead to insomnia. Therefore, the lily in the bedroom not only can not achieve the effect of improving sleep, but also lead to restlessness, difficult to sleep.

3, fresh lilies should also try to avoid contact with its skin, because the lily bulb is easy to make people skin allergies. So it is even more important not to place lilies in the bedroom to avoid accidental contact. If you must keep lilies indoors, it is recommended that you move them out of your bedroom at night when you are resting so as not to disturb your sleep.

Expanded Information:

Lilies need moist water for cultivation, which favors the growth of stems and leaves. If the soil is too wet, waterlogged or poorly drained, it will cause the lily bulbs to rot and die. Potted lily watering should be gradually increased with the growth of the plant, the water supply should be sufficient during the flowering period, the water should be reduced after flowering, and watering should be stopped after the above-ground part withers. The potting soil is too wet, the same lead to bulb rot.

Lilies like to be exposed to soft light. It is also tolerant of strong light and semi-shade, and insufficient light will cause bud shedding and a reduction in the number of blooms. Sufficient light, the plant is robust and short, and the flowers are bright. Lilies can bloom earlier by increasing light time by 6 hours per day. If the light time is reduced, the flowering is delayed.

Baidu Encyclopedia - Lilies