Sleep is not a critical part of the human 24 hour circadian cycle

The thyroid gland is situated at the back of the neck

A number of factors can influence both the thyroid and the parathyroid glands

When the thyroid under-works, with symptoms that can include weight loss, excessive body heat is being generated

If the thyroid becomes affected, symptoms such as hair loss may occur

Sleep issues can arise from both sufferers of hypo- and hyperthyroidism

The throat chakra is exactly where the thyroid is situated

Sleep issues will benefit from glandular areas being stimulated during a reflexology session

If the quality of sleep is regularly affected, it can have a detrimental effect on someone's life

Hashimoto's and Grave's Disease are autoimmune disorders of the thyroid

The thyroid has two bridges, connected by a lobe

Nerves which are important for eye sight pass through the thyroid

The main hormone of the thyroid is called thyroxine

The thyroid gland produces iodine

The second hormone of the thyroid is called T4

Reflexology has been reported to have a positive effect on thyroid imbalances

Women are 20 times more likely than men to develop Grave's Disease

If excess thyroid hormones are secreted, the body cells work slower than normal

Grave's Disease affects roughly 1% of the population

Sir Robert Graves first described Grave's Disease in the early 19th century