You need a full spectrum light bulb, regular light bulbs won't do anything for you. You need 10'000 [insert correct unit here]* and to be quite close (about 20

You need a full spectrum light bulb, regular light bulbs won't do anything for you. You need 10'000 [insert correct unit here]* and to be quite close (about 20 to 30 centimeters) for 30 minutes. It should be done in the morning, or else it could affect your sleep pattern. * I'm not sure if it's lux or lumen or candela, sorry