While curry itself doesn't directly make you sleepy, the spicy kind can actually disrupt your sleep, contrary to the common belief that food induces sleepiness.
Here's why spicy curry might interfere with sleep:
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Capsaicin and Thermoregulation: Spicy curries often contain capsaicin, the active component in chili peppers. Capsaicin elevates your body temperature by interfering with the body's natural thermoregulation processes. This can disrupt your sleep cycle.
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Digestive Discomfort: Spicy foods like curry can cause heartburn or acid reflux, especially when eaten close to bedtime. This discomfort can make it difficult to fall asleep and stay asleep.
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Increased Heart Rate: The spices in curry can also stimulate your metabolism and increase your heart rate. This heightened state of arousal is not conducive to restful sleep.
Therefore, although some people might feel a temporary lull after eating, spicy curry can actually lead to restless nights due to its effects on body temperature, digestion, and heart rate. It is best to avoid spicy curries close to bedtime.