The benefits of green vegetables need no retelling. One such healthy vegetable is bottle gourd (popularly referred to as lauki or kaddu). Known by different names like calabash, white-flowered gourd, New Guinea bean, Tasmania bean and long melon, it has a host of benefits. Not only does it have a cooling effect in the body, but is quite beneficial for the heart and even helps reduce sleeping disorders. Reduces stress :Eating lauki can help in reducing stress. Its water content has a cooling impact on the body. It also has sedative properties and relaxes the body. Benefits the heart : Lauki is also extremely beneficial for the heart. Drinking its juice at least thrice every week will help you in maintaining a healthy heart and will also keep a check on your blood pressure. Helps in weight loss : For those looking to lose weight, drinking lauki juice can prove to be very useful. Filled with iron, vitamins and potassium, having lauki juice everyday will help you reduce weight. Helps in treating sleeping disorders Among other benefits of lauki, it also helps in treating sleep disorders. Ideally mix some sesame oil with the lauki juice and you will sleep better. Prevents premature greying of hair Drinking a glass of lauki juice everyday can help you retain the colour and texture of hair.