The number 1 most commonly used drug in the world today is coffee, and this is because the vast proportion of the population is not exposed to the morning light.

We’ve moved from spending so much of our lives outdoors, to a completely indoor one and shift workers are especially vulnerable due to having to work shifts that go against the body’s innate timing system or circadian rhythm.

Morning light exposure stimulates the eye to instigate subconscious functions within the body. It activates the autonomic nervous system, part of the body that controls heartbeat, waste excretion, hunger, thirst etc.