Figure 1.3. Yellow, the color of smileys. Green. Green is most commonly associated with nature. Itâs a soothing color that symbolizes growth, freshness, and hope. Thereâs little doubt why the color has been so closely tied with environmental protection. Visually, green is much easier on the eyes, and far less dynamic than yellow, orange, or red.
Circulatory problems could also cause leg cramps while sleeping because of the poor or reduced supply of oxygen to the muscle and tissue. Nocturnal cramps can affect anyone from any age group. However, in most cases, it affects people with poor circulation in their limbs especially pregnant or elderly women.
Muscle cramps are caused by overuse of a muscle, dehydration, stress or fatigue. But if calves cramp painfully when you're trying to sleep, or a muscle often locks up for no apparent reason, the root cause is a faulty chemical signal from the nervous system that tells the muscle to contract.uscle cramps are caused by overuse of a muscle, dehydration, stress or fatigue. But if calves cramp painfully when you're trying to sleep, or a muscle often locks up for no apparent reason, the root cause is a faulty chemical signal from the nervous system that tells the muscle to contract.