CARD N:o 13 Often Some- Hardly times ever Insomnia?............... 1 2 3 Headaches?.............. 1 2 3 Tenseness or anxiety?... 1 2 3 Overstrain?............. 1 2 3 General feeling of tiredness or weakness?.. 1 2 3 Dizziness?.............. 1 2 3 Nightmares?............. 1 2 3 Trembling of hands?..... 1 2 3 Burning cheeks or sweating without physical exertion?...... 1 2 3