Struggling to fall asleep or waking up tired? Small changes in your routine can make a big difference to your health and energy. 5 tips for better sleep – As recommended by a lung specialist ✔ Avoid the use of digital devices for at least 2 hours before your bedtime. ✔ Create and follow a proper sleep schedule. ✔ Finish your dinner at least 2 hours before your bedtime. ✔ Avoid caffeine after 6 in the evening. ✔ Avoid smoking and drinking alcohol.