Tingling sensations, often referred to as "paresthesia," can occur due to various reasons, including pressure on nerves, poor circulation, or nerve damage. Commonly, tingling is experienced when a limb is in one position for too long, leading to temporary nerve compression. Other causes can include anxiety, certain medical conditions, or vitamin deficiencies. If tingling persists or is accompanied by other symptoms, it's advisable to consult a healthcare professional for proper evaluation.