I might not know your symptoms but I would suggest you to try these simple Homeophatic remedies:(works for most common symptomps and available in most health shops)
-Aconite:helps to relieve anxiety and restlessness
-Pulsatilla:is for difficulty with failing asleep
-Sulphur:is used ehen there is sleep talking or restless leg syndrome
-Nux Vomica:helps to relieve early waking
-Coffea:should be taken if you’re prone to waking at around 2 or 3am,and then only doze afterwards.
You can also choose another simple remedies like Bach Flower remedies,try one of these:(a few drop of your chosen remedy in a glass of water,taken several times a day)
-Rescue remedy:for shock or sudden change
-Elm:when you find responsibilities overwhelming
-Gorse:if you are faced with hopelessness
-Hornbeam:to relieve tiredness and lethargy
-Oak:for times when you have kept going beyond feeling exhausted
-Olive:if you are exhausted following either mental or physical activity
-White Chestnut:when your mind is unable to relax.
In addition:all these two simple group of remedies are natural,easy to use,and inexpensive. It also has no side effect so it is safe to be used for everyone at every age(except for allergic individual).